18253720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19841}}^1$

素因数の和:19875

約数の個数: 32

約数和(自身を含む): 42858720

約数和(自身を除く): 24605000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19841, 39682, 79364, 99205, 158728, 198410, 396820, 456343, 793640, 912686, 1825372, 2281715, 3650744, 4563430, 9126860, 18253720]

約数ペア:

[(1, 18253720), (2, 9126860), (4, 4563430), (5, 3650744), (8, 2281715), (10, 1825372), (20, 912686), (23, 793640), (40, 456343), (46, 396820), (92, 198410), (115, 158728), (184, 99205), (230, 79364), (460, 39682), (920, 19841)]