19647642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3571}}^1$

素因数の和:3714

約数の個数: 32

約数和(自身を含む): 45264384

約数和(自身を除く): 25616742

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 131, 262, 393, 786, 917, 1834, 2751, 3571, 5502, 7142, 10713, 21426, 24997, 49994, 74991, 149982, 467801, 935602, 1403403, 2806806, 3274607, 6549214, 9823821, 19647642]

約数ペア:

[(1, 19647642), (2, 9823821), (3, 6549214), (6, 3274607), (7, 2806806), (14, 1403403), (21, 935602), (42, 467801), (131, 149982), (262, 74991), (393, 49994), (786, 24997), (917, 21426), (1834, 10713), (2751, 7142), (3571, 5502)]