20383618

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 33488640

約数和(自身を除く): 13105022

約数列:

[1, 2, 19, 38, 47, 94, 101, 113, 202, 226, 893, 1786, 1919, 2147, 3838, 4294, 4747, 5311, 9494, 10622, 11413, 22826, 90193, 100909, 180386, 201818, 216847, 433694, 536411, 1072822, 10191809, 20383618]

約数ペア:

[(1, 20383618), (2, 10191809), (19, 1072822), (38, 536411), (47, 433694), (94, 216847), (101, 201818), (113, 180386), (202, 100909), (226, 90193), (893, 22826), (1786, 11413), (1919, 10622), (2147, 9494), (3838, 5311), (4294, 4747)]