19158728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{787}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 38296800

約数和(自身を除く): 19138072

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 179, 358, 716, 787, 1432, 1574, 3043, 3148, 6086, 6296, 12172, 13379, 24344, 26758, 53516, 107032, 140873, 281746, 563492, 1126984, 2394841, 4789682, 9579364, 19158728]

約数ペア:

[(1, 19158728), (2, 9579364), (4, 4789682), (8, 2394841), (17, 1126984), (34, 563492), (68, 281746), (136, 140873), (179, 107032), (358, 53516), (716, 26758), (787, 24344), (1432, 13379), (1574, 12172), (3043, 6296), (3148, 6086)]