18574570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 22067990

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 83, 115, 139, 161, 166, 230, 278, 322, 415, 581, 695, 805, 830, 973, 1162, 1390, 1610, 1909, 1946, 2905, 3197, 3818, 4865, 5810, 6394, 9545, 9730, 11537, 13363, 15985, 19090, 22379, 23074, 26726, 31970, 44758, 57685, 66815, 80759, 111895, 115370, 133630, 161518, 223790, 265351, 403795, 530702, 807590, 1326755, 1857457, 2653510, 3714914, 9287285, 18574570]

約数ペア:

[(1, 18574570), (2, 9287285), (5, 3714914), (7, 2653510), (10, 1857457), (14, 1326755), (23, 807590), (35, 530702), (46, 403795), (70, 265351), (83, 223790), (115, 161518), (139, 133630), (161, 115370), (166, 111895), (230, 80759), (278, 66815), (322, 57685), (415, 44758), (581, 31970), (695, 26726), (805, 23074), (830, 22379), (973, 19090), (1162, 15985), (1390, 13363), (1610, 11537), (1909, 9730), (1946, 9545), (2905, 6394), (3197, 5810), (3818, 4865)]