19130111

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 7481089

約数列:

[1, 7, 11, 13, 29, 77, 91, 143, 203, 319, 377, 659, 1001, 2233, 2639, 4147, 4613, 7249, 8567, 19111, 29029, 50743, 59969, 94237, 133777, 210221, 248443, 659659, 1471547, 1739101, 2732873, 19130111]

約数ペア:

[(1, 19130111), (7, 2732873), (11, 1739101), (13, 1471547), (29, 659659), (77, 248443), (91, 210221), (143, 133777), (203, 94237), (319, 59969), (377, 50743), (659, 29029), (1001, 19111), (2233, 8567), (2639, 7249), (4147, 4613)]