18774360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{431}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 67223520

約数和(自身を除く): 48449160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 431, 440, 484, 495, 605, 660, 726, 792, 862, 968, 990, 1089, 1210, 1293, 1320, 1452, 1724, 1815, 1980, 2155, 2178, 2420, 2586, 2904, 3448, 3630, 3879, 3960, 4310, 4356, 4741, 4840, 5172, 5445, 6465, 7260, 7758, 8620, 8712, 9482, 10344, 10890, 12930, 14223, 14520, 15516, 17240, 18964, 19395, 21780, 23705, 25860, 28446, 31032, 37928, 38790, 42669, 43560, 47410, 51720, 52151, 56892, 71115, 77580, 85338, 94820, 104302, 113784, 142230, 155160, 156453, 170676, 189640, 208604, 213345, 260755, 284460, 312906, 341352, 417208, 426690, 469359, 521510, 568920, 625812, 782265, 853380, 938718, 1043020, 1251624, 1564530, 1706760, 1877436, 2086040, 2346795, 3129060, 3754872, 4693590, 6258120, 9387180, 18774360]

約数ペア:

[(1, 18774360), (2, 9387180), (3, 6258120), (4, 4693590), (5, 3754872), (6, 3129060), (8, 2346795), (9, 2086040), (10, 1877436), (11, 1706760), (12, 1564530), (15, 1251624), (18, 1043020), (20, 938718), (22, 853380), (24, 782265), (30, 625812), (33, 568920), (36, 521510), (40, 469359), (44, 426690), (45, 417208), (55, 341352), (60, 312906), (66, 284460), (72, 260755), (88, 213345), (90, 208604), (99, 189640), (110, 170676), (120, 156453), (121, 155160), (132, 142230), (165, 113784), (180, 104302), (198, 94820), (220, 85338), (242, 77580), (264, 71115), (330, 56892), (360, 52151), (363, 51720), (396, 47410), (431, 43560), (440, 42669), (484, 38790), (495, 37928), (605, 31032), (660, 28446), (726, 25860), (792, 23705), (862, 21780), (968, 19395), (990, 18964), (1089, 17240), (1210, 15516), (1293, 14520), (1320, 14223), (1452, 12930), (1724, 10890), (1815, 10344), (1980, 9482), (2155, 8712), (2178, 8620), (2420, 7758), (2586, 7260), (2904, 6465), (3448, 5445), (3630, 5172), (3879, 4840), (3960, 4741), (4310, 4356)]