18239668

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 32979744

約数和(自身を除く): 14740076

約数列:

[1, 2, 4, 37, 74, 148, 251, 491, 502, 982, 1004, 1964, 9287, 18167, 18574, 36334, 37148, 72668, 123241, 246482, 492964, 4559917, 9119834, 18239668]

約数ペア:

[(1, 18239668), (2, 9119834), (4, 4559917), (37, 492964), (74, 246482), (148, 123241), (251, 72668), (491, 37148), (502, 36334), (982, 18574), (1004, 18167), (1964, 9287)]