19313465

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2351}}^1$

素因数の和:2440

約数の個数: 16

約数和(自身を含む): 24385536

約数和(自身を除く): 5072071

約数列:

[1, 5, 31, 53, 155, 265, 1643, 2351, 8215, 11755, 72881, 124603, 364405, 623015, 3862693, 19313465]

約数ペア:

[(1, 19313465), (5, 3862693), (31, 623015), (53, 364405), (155, 124603), (265, 72881), (1643, 11755), (2351, 8215)]