19996364

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1231}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 36427776

約数和(自身を除く): 16431412

約数列:

[1, 2, 4, 31, 62, 124, 131, 262, 524, 1231, 2462, 4061, 4924, 8122, 16244, 38161, 76322, 152644, 161261, 322522, 645044, 4999091, 9998182, 19996364]

約数ペア:

[(1, 19996364), (2, 9998182), (4, 4999091), (31, 645044), (62, 322522), (124, 161261), (131, 152644), (262, 76322), (524, 38161), (1231, 16244), (2462, 8122), (4061, 4924)]