19948735

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{6343}}^1$

素因数の和:6402

約数の個数: 16

約数和(自身を含む): 26035776

約数和(自身を除く): 6087041

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 6343, 31715, 107831, 234691, 539155, 1173455, 3989747, 19948735]

約数ペア:

[(1, 19948735), (5, 3989747), (17, 1173455), (37, 539155), (85, 234691), (185, 107831), (629, 31715), (3145, 6343)]