18970380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1$

素因数の和:117

約数の個数: 216

約数和(自身を含む): 69132336

約数和(自身を除く): 50161956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 67, 78, 90, 99, 110, 117, 121, 130, 132, 134, 143, 156, 165, 180, 195, 198, 201, 220, 234, 242, 260, 268, 286, 330, 335, 363, 390, 396, 402, 429, 468, 484, 495, 572, 585, 603, 605, 660, 670, 715, 726, 737, 780, 804, 858, 871, 990, 1005, 1089, 1170, 1206, 1210, 1287, 1340, 1430, 1452, 1474, 1573, 1716, 1742, 1815, 1980, 2010, 2145, 2178, 2211, 2340, 2412, 2420, 2574, 2613, 2860, 2948, 3015, 3146, 3484, 3630, 3685, 4020, 4290, 4355, 4356, 4422, 4719, 5148, 5226, 5445, 6030, 6292, 6435, 6633, 7260, 7370, 7839, 7865, 8107, 8580, 8710, 8844, 9438, 9581, 10452, 10890, 11055, 12060, 12870, 13065, 13266, 14157, 14740, 15678, 15730, 16214, 17420, 18876, 19162, 21780, 22110, 23595, 24321, 25740, 26130, 26532, 28314, 28743, 31356, 31460, 32428, 33165, 38324, 39195, 40535, 44220, 47190, 47905, 48642, 52260, 56628, 57486, 66330, 70785, 72963, 78390, 81070, 86229, 94380, 95810, 97284, 105391, 114972, 121605, 132660, 141570, 143715, 145926, 156780, 162140, 172458, 191620, 210782, 243210, 283140, 287430, 291852, 316173, 344916, 364815, 421564, 431145, 486420, 526955, 574860, 632346, 729630, 862290, 948519, 1053910, 1264692, 1459260, 1580865, 1724580, 1897038, 2107820, 3161730, 3794076, 4742595, 6323460, 9485190, 18970380]

約数ペア:

[(1, 18970380), (2, 9485190), (3, 6323460), (4, 4742595), (5, 3794076), (6, 3161730), (9, 2107820), (10, 1897038), (11, 1724580), (12, 1580865), (13, 1459260), (15, 1264692), (18, 1053910), (20, 948519), (22, 862290), (26, 729630), (30, 632346), (33, 574860), (36, 526955), (39, 486420), (44, 431145), (45, 421564), (52, 364815), (55, 344916), (60, 316173), (65, 291852), (66, 287430), (67, 283140), (78, 243210), (90, 210782), (99, 191620), (110, 172458), (117, 162140), (121, 156780), (130, 145926), (132, 143715), (134, 141570), (143, 132660), (156, 121605), (165, 114972), (180, 105391), (195, 97284), (198, 95810), (201, 94380), (220, 86229), (234, 81070), (242, 78390), (260, 72963), (268, 70785), (286, 66330), (330, 57486), (335, 56628), (363, 52260), (390, 48642), (396, 47905), (402, 47190), (429, 44220), (468, 40535), (484, 39195), (495, 38324), (572, 33165), (585, 32428), (603, 31460), (605, 31356), (660, 28743), (670, 28314), (715, 26532), (726, 26130), (737, 25740), (780, 24321), (804, 23595), (858, 22110), (871, 21780), (990, 19162), (1005, 18876), (1089, 17420), (1170, 16214), (1206, 15730), (1210, 15678), (1287, 14740), (1340, 14157), (1430, 13266), (1452, 13065), (1474, 12870), (1573, 12060), (1716, 11055), (1742, 10890), (1815, 10452), (1980, 9581), (2010, 9438), (2145, 8844), (2178, 8710), (2211, 8580), (2340, 8107), (2412, 7865), (2420, 7839), (2574, 7370), (2613, 7260), (2860, 6633), (2948, 6435), (3015, 6292), (3146, 6030), (3484, 5445), (3630, 5226), (3685, 5148), (4020, 4719), (4290, 4422), (4355, 4356)]