18255020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1571}}^1$

素因数の和:1670

約数の個数: 48

約数和(自身を含む): 44368128

約数和(自身を除く): 26113108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1571, 1660, 2324, 2905, 3142, 5810, 6284, 7855, 10997, 11620, 15710, 21994, 31420, 43988, 54985, 109970, 130393, 219940, 260786, 521572, 651965, 912751, 1303930, 1825502, 2607860, 3651004, 4563755, 9127510, 18255020]

約数ペア:

[(1, 18255020), (2, 9127510), (4, 4563755), (5, 3651004), (7, 2607860), (10, 1825502), (14, 1303930), (20, 912751), (28, 651965), (35, 521572), (70, 260786), (83, 219940), (140, 130393), (166, 109970), (332, 54985), (415, 43988), (581, 31420), (830, 21994), (1162, 15710), (1571, 11620), (1660, 10997), (2324, 7855), (2905, 6284), (3142, 5810)]