19697210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151517}}^1$

素因数の和:151537

約数の個数: 16

約数和(自身を含む): 38182536

約数和(自身を除く): 18485326

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151517, 303034, 757585, 1515170, 1969721, 3939442, 9848605, 19697210]

約数ペア:

[(1, 19697210), (2, 9848605), (5, 3939442), (10, 1969721), (13, 1515170), (26, 757585), (65, 303034), (130, 151517)]