19785830

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68227}}^1$

素因数の和:68263

約数の個数: 16

約数和(自身を含む): 36843120

約数和(自身を除く): 17057290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 68227, 136454, 341135, 682270, 1978583, 3957166, 9892915, 19785830]

約数ペア:

[(1, 19785830), (2, 9892915), (5, 3957166), (10, 1978583), (29, 682270), (58, 341135), (145, 136454), (290, 68227)]