18706532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2207}}^1$

素因数の和:2387

約数の個数: 24

約数和(自身を含む): 35486976

約数和(自身を除く): 16780444

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 2207, 4238, 4414, 8476, 8828, 28691, 57382, 114764, 359741, 719482, 1438964, 4676633, 9353266, 18706532]

約数ペア:

[(1, 18706532), (2, 9353266), (4, 4676633), (13, 1438964), (26, 719482), (52, 359741), (163, 114764), (326, 57382), (652, 28691), (2119, 8828), (2207, 8476), (4238, 4414)]