19874410

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1051}}^1$

素因数の和:1150

約数の個数: 32

約数和(自身を含む): 37569024

約数和(自身を除く): 17694614

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1051, 1891, 2102, 3782, 5255, 9455, 10510, 18910, 32581, 64111, 65162, 128222, 162905, 320555, 325810, 641110, 1987441, 3974882, 9937205, 19874410]

約数ペア:

[(1, 19874410), (2, 9937205), (5, 3974882), (10, 1987441), (31, 641110), (61, 325810), (62, 320555), (122, 162905), (155, 128222), (305, 65162), (310, 64111), (610, 32581), (1051, 18910), (1891, 10510), (2102, 9455), (3782, 5255)]