19795685

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 29541120

約数和(自身を除く): 9745435

約数列:

[1, 5, 7, 13, 35, 65, 91, 139, 313, 455, 695, 973, 1565, 1807, 2191, 4069, 4865, 9035, 10955, 12649, 20345, 28483, 43507, 63245, 142415, 217535, 304549, 565591, 1522745, 2827955, 3959137, 19795685]

約数ペア:

[(1, 19795685), (5, 3959137), (7, 2827955), (13, 1522745), (35, 565591), (65, 304549), (91, 217535), (139, 142415), (313, 63245), (455, 43507), (695, 28483), (973, 20345), (1565, 12649), (1807, 10955), (2191, 9035), (4069, 4865)]