2019367090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{218783}}^1$

素因数の和:218874

約数の個数: 32

約数和(自身を含む): 3969616896

約数和(自身を除く): 1950249806

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 218783, 437566, 1093915, 2187830, 2844179, 5688358, 14220895, 15533593, 28441790, 31067186, 77667965, 155335930, 201936709, 403873418, 1009683545, 2019367090]

約数ペア:

[(1, 2019367090), (2, 1009683545), (5, 403873418), (10, 201936709), (13, 155335930), (26, 77667965), (65, 31067186), (71, 28441790), (130, 15533593), (142, 14220895), (355, 5688358), (710, 2844179), (923, 2187830), (1846, 1093915), (4615, 437566), (9230, 218783)]