18883550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:513

約数の個数: 48

約数和(自身を含む): 40509312

約数和(自身を除く): 21625762

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 163, 175, 326, 331, 350, 662, 815, 1141, 1630, 1655, 2282, 2317, 3310, 4075, 4634, 5705, 8150, 8275, 11410, 11585, 16550, 23170, 28525, 53953, 57050, 57925, 107906, 115850, 269765, 377671, 539530, 755342, 1348825, 1888355, 2697650, 3776710, 9441775, 18883550]

約数ペア:

[(1, 18883550), (2, 9441775), (5, 3776710), (7, 2697650), (10, 1888355), (14, 1348825), (25, 755342), (35, 539530), (50, 377671), (70, 269765), (163, 115850), (175, 107906), (326, 57925), (331, 57050), (350, 53953), (662, 28525), (815, 23170), (1141, 16550), (1630, 11585), (1655, 11410), (2282, 8275), (2317, 8150), (3310, 5705), (4075, 4634)]