17218994

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 29756160

約数和(自身を除く): 12537166

約数列:

[1, 2, 13, 17, 26, 34, 163, 221, 239, 326, 442, 478, 2119, 2771, 3107, 4063, 4238, 5542, 6214, 8126, 36023, 38957, 52819, 72046, 77914, 105638, 506441, 662269, 1012882, 1324538, 8609497, 17218994]

約数ペア:

[(1, 17218994), (2, 8609497), (13, 1324538), (17, 1012882), (26, 662269), (34, 506441), (163, 105638), (221, 77914), (239, 72046), (326, 52819), (442, 38957), (478, 36023), (2119, 8126), (2771, 6214), (3107, 5542), (4063, 4238)]