18218908

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 32640272

約数和(自身を除く): 14421364

約数列:

[1, 2, 4, 67, 134, 157, 268, 314, 433, 628, 866, 1732, 10519, 21038, 29011, 42076, 58022, 67981, 116044, 135962, 271924, 4554727, 9109454, 18218908]

約数ペア:

[(1, 18218908), (2, 9109454), (4, 4554727), (67, 271924), (134, 135962), (157, 116044), (268, 67981), (314, 58022), (433, 42076), (628, 29011), (866, 21038), (1732, 10519)]