2018509765

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2203}}^1$

素因数の和:2397

約数の個数: 32

約数和(自身を含む): 2570745600

約数和(自身を除く): 552235835

約数列:

[1, 5, 29, 71, 89, 145, 355, 445, 2059, 2203, 2581, 6319, 10295, 11015, 12905, 31595, 63887, 156413, 183251, 196067, 319435, 782065, 916255, 980335, 4535977, 5685943, 13920757, 22679885, 28429715, 69603785, 403701953, 2018509765]

約数ペア:

[(1, 2018509765), (5, 403701953), (29, 69603785), (71, 28429715), (89, 22679885), (145, 13920757), (355, 5685943), (445, 4535977), (2059, 980335), (2203, 916255), (2581, 782065), (6319, 319435), (10295, 196067), (11015, 183251), (12905, 156413), (31595, 63887)]