19677385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{733}}^1$

素因数の和:817

約数の個数: 32

約数和(自身を含む): 29594880

約数和(自身を除く): 9917495

約数列:

[1, 5, 7, 13, 35, 59, 65, 91, 295, 413, 455, 733, 767, 2065, 3665, 3835, 5131, 5369, 9529, 25655, 26845, 43247, 47645, 66703, 216235, 302729, 333515, 562211, 1513645, 2811055, 3935477, 19677385]

約数ペア:

[(1, 19677385), (5, 3935477), (7, 2811055), (13, 1513645), (35, 562211), (59, 333515), (65, 302729), (91, 216235), (295, 66703), (413, 47645), (455, 43247), (733, 26845), (767, 25655), (2065, 9529), (3665, 5369), (3835, 5131)]