19910432

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{20071}}^1$

素因数の和:20112

約数の個数: 24

約数和(自身を含む): 40465152

約数和(自身を除く): 20554720

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 20071, 40142, 80284, 160568, 321136, 622201, 642272, 1244402, 2488804, 4977608, 9955216, 19910432]

約数ペア:

[(1, 19910432), (2, 9955216), (4, 4977608), (8, 2488804), (16, 1244402), (31, 642272), (32, 622201), (62, 321136), (124, 160568), (248, 80284), (496, 40142), (992, 20071)]