18245820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7417}}^1$

素因数の和:7470

約数の個数: 48

約数和(自身を含む): 52341408

約数和(自身を除く): 34095588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 7417, 14834, 22251, 29668, 37085, 44502, 74170, 89004, 111255, 148340, 222510, 304097, 445020, 608194, 912291, 1216388, 1520485, 1824582, 3040970, 3649164, 4561455, 6081940, 9122910, 18245820]

約数ペア:

[(1, 18245820), (2, 9122910), (3, 6081940), (4, 4561455), (5, 3649164), (6, 3040970), (10, 1824582), (12, 1520485), (15, 1216388), (20, 912291), (30, 608194), (41, 445020), (60, 304097), (82, 222510), (123, 148340), (164, 111255), (205, 89004), (246, 74170), (410, 44502), (492, 37085), (615, 29668), (820, 22251), (1230, 14834), (2460, 7417)]