18680970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8087}}^1$

素因数の和:8115

約数の個数: 64

約数和(自身を含む): 55904256

約数和(自身を除く): 37223286

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 1155, 2310, 8087, 16174, 24261, 40435, 48522, 56609, 80870, 88957, 113218, 121305, 169827, 177914, 242610, 266871, 283045, 339654, 444785, 533742, 566090, 622699, 849135, 889570, 1245398, 1334355, 1698270, 1868097, 2668710, 3113495, 3736194, 6226990, 9340485, 18680970]

約数ペア:

[(1, 18680970), (2, 9340485), (3, 6226990), (5, 3736194), (6, 3113495), (7, 2668710), (10, 1868097), (11, 1698270), (14, 1334355), (15, 1245398), (21, 889570), (22, 849135), (30, 622699), (33, 566090), (35, 533742), (42, 444785), (55, 339654), (66, 283045), (70, 266871), (77, 242610), (105, 177914), (110, 169827), (154, 121305), (165, 113218), (210, 88957), (231, 80870), (330, 56609), (385, 48522), (462, 40435), (770, 24261), (1155, 16174), (2310, 8087)]