18625020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7219}}^1$

素因数の和:7274

約数の個数: 48

約数和(自身を含む): 53370240

約数和(自身を除く): 34745220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 7219, 14438, 21657, 28876, 36095, 43314, 72190, 86628, 108285, 144380, 216570, 310417, 433140, 620834, 931251, 1241668, 1552085, 1862502, 3104170, 3725004, 4656255, 6208340, 9312510, 18625020]

約数ペア:

[(1, 18625020), (2, 9312510), (3, 6208340), (4, 4656255), (5, 3725004), (6, 3104170), (10, 1862502), (12, 1552085), (15, 1241668), (20, 931251), (30, 620834), (43, 433140), (60, 310417), (86, 216570), (129, 144380), (172, 108285), (215, 86628), (258, 72190), (430, 43314), (516, 36095), (645, 28876), (860, 21657), (1290, 14438), (2580, 7219)]