18725820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{677}}^1$

素因数の和:1150

約数の個数: 48

約数和(自身を含む): 52623648

約数和(自身を除く): 33897828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 461, 677, 922, 1354, 1383, 1844, 2031, 2305, 2708, 2766, 3385, 4062, 4610, 5532, 6770, 6915, 8124, 9220, 10155, 13540, 13830, 20310, 27660, 40620, 312097, 624194, 936291, 1248388, 1560485, 1872582, 3120970, 3745164, 4681455, 6241940, 9362910, 18725820]

約数ペア:

[(1, 18725820), (2, 9362910), (3, 6241940), (4, 4681455), (5, 3745164), (6, 3120970), (10, 1872582), (12, 1560485), (15, 1248388), (20, 936291), (30, 624194), (60, 312097), (461, 40620), (677, 27660), (922, 20310), (1354, 13830), (1383, 13540), (1844, 10155), (2031, 9220), (2305, 8124), (2708, 6915), (2766, 6770), (3385, 5532), (4062, 4610)]