18555590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1601}}^1$

素因数の和:1688

約数の個数: 32

約数和(自身を含む): 35756640

約数和(自身を除く): 17201050

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 610, 1159, 1601, 2318, 3202, 5795, 8005, 11590, 16010, 30419, 60838, 97661, 152095, 195322, 304190, 488305, 976610, 1855559, 3711118, 9277795, 18555590]

約数ペア:

[(1, 18555590), (2, 9277795), (5, 3711118), (10, 1855559), (19, 976610), (38, 488305), (61, 304190), (95, 195322), (122, 152095), (190, 97661), (305, 60838), (610, 30419), (1159, 16010), (1601, 11590), (2318, 8005), (3202, 5795)]