19169885

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 27447552

約数和(自身を除く): 8277667

約数列:

[1, 5, 7, 35, 37, 113, 131, 185, 259, 565, 655, 791, 917, 1295, 3955, 4181, 4585, 4847, 14803, 20905, 24235, 29267, 33929, 74015, 103621, 146335, 169645, 518105, 547711, 2738555, 3833977, 19169885]

約数ペア:

[(1, 19169885), (5, 3833977), (7, 2738555), (35, 547711), (37, 518105), (113, 169645), (131, 146335), (185, 103621), (259, 74015), (565, 33929), (655, 29267), (791, 24235), (917, 20905), (1295, 14803), (3955, 4847), (4181, 4585)]