18880290

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:206

約数の個数: 160

約数和(自身を含む): 60008256

約数和(自身を除く): 41127966

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 27, 30, 33, 39, 45, 54, 55, 65, 66, 78, 81, 90, 99, 110, 117, 130, 135, 143, 162, 163, 165, 195, 198, 234, 270, 286, 297, 326, 330, 351, 390, 405, 429, 489, 495, 585, 594, 702, 715, 810, 815, 858, 891, 978, 990, 1053, 1170, 1287, 1430, 1467, 1485, 1630, 1755, 1782, 1793, 2106, 2119, 2145, 2445, 2574, 2934, 2970, 3510, 3586, 3861, 4238, 4290, 4401, 4455, 4890, 5265, 5379, 6357, 6435, 7335, 7722, 8802, 8910, 8965, 10530, 10595, 10758, 11583, 12714, 12870, 13203, 14670, 16137, 17930, 19071, 19305, 21190, 22005, 23166, 23309, 26406, 26895, 31785, 32274, 38142, 38610, 44010, 46618, 48411, 53790, 57213, 57915, 63570, 66015, 69927, 80685, 95355, 96822, 114426, 115830, 116545, 132030, 139854, 145233, 161370, 171639, 190710, 209781, 233090, 242055, 286065, 290466, 343278, 349635, 419562, 484110, 572130, 629343, 699270, 726165, 858195, 1048905, 1258686, 1452330, 1716390, 1888029, 2097810, 3146715, 3776058, 6293430, 9440145, 18880290]

約数ペア:

[(1, 18880290), (2, 9440145), (3, 6293430), (5, 3776058), (6, 3146715), (9, 2097810), (10, 1888029), (11, 1716390), (13, 1452330), (15, 1258686), (18, 1048905), (22, 858195), (26, 726165), (27, 699270), (30, 629343), (33, 572130), (39, 484110), (45, 419562), (54, 349635), (55, 343278), (65, 290466), (66, 286065), (78, 242055), (81, 233090), (90, 209781), (99, 190710), (110, 171639), (117, 161370), (130, 145233), (135, 139854), (143, 132030), (162, 116545), (163, 115830), (165, 114426), (195, 96822), (198, 95355), (234, 80685), (270, 69927), (286, 66015), (297, 63570), (326, 57915), (330, 57213), (351, 53790), (390, 48411), (405, 46618), (429, 44010), (489, 38610), (495, 38142), (585, 32274), (594, 31785), (702, 26895), (715, 26406), (810, 23309), (815, 23166), (858, 22005), (891, 21190), (978, 19305), (990, 19071), (1053, 17930), (1170, 16137), (1287, 14670), (1430, 13203), (1467, 12870), (1485, 12714), (1630, 11583), (1755, 10758), (1782, 10595), (1793, 10530), (2106, 8965), (2119, 8910), (2145, 8802), (2445, 7722), (2574, 7335), (2934, 6435), (2970, 6357), (3510, 5379), (3586, 5265), (3861, 4890), (4238, 4455), (4290, 4401)]