19980472

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{37277}}^1$

素因数の和:37350

約数の個数: 16

約数和(自身を含む): 38023560

約数和(自身を除く): 18043088

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 37277, 74554, 149108, 298216, 2497559, 4995118, 9990236, 19980472]

約数ペア:

[(1, 19980472), (2, 9990236), (4, 4995118), (8, 2497559), (67, 298216), (134, 149108), (268, 74554), (536, 37277)]