18257910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{907}}^1$

素因数の和:989

約数の個数: 64

約数和(自身を含む): 48639744

約数和(自身を除く): 30381834

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 61, 66, 110, 122, 165, 183, 305, 330, 366, 610, 671, 907, 915, 1342, 1814, 1830, 2013, 2721, 3355, 4026, 4535, 5442, 6710, 9070, 9977, 10065, 13605, 19954, 20130, 27210, 29931, 49885, 55327, 59862, 99770, 110654, 149655, 165981, 276635, 299310, 331962, 553270, 608597, 829905, 1217194, 1659810, 1825791, 3042985, 3651582, 6085970, 9128955, 18257910]

約数ペア:

[(1, 18257910), (2, 9128955), (3, 6085970), (5, 3651582), (6, 3042985), (10, 1825791), (11, 1659810), (15, 1217194), (22, 829905), (30, 608597), (33, 553270), (55, 331962), (61, 299310), (66, 276635), (110, 165981), (122, 149655), (165, 110654), (183, 99770), (305, 59862), (330, 55327), (366, 49885), (610, 29931), (671, 27210), (907, 20130), (915, 19954), (1342, 13605), (1814, 10065), (1830, 9977), (2013, 9070), (2721, 6710), (3355, 5442), (4026, 4535)]