19437730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149521}}^1$

素因数の和:149541

約数の個数: 16

約数和(自身を含む): 37679544

約数和(自身を除く): 18241814

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149521, 299042, 747605, 1495210, 1943773, 3887546, 9718865, 19437730]

約数ペア:

[(1, 19437730), (2, 9718865), (5, 3887546), (10, 1943773), (13, 1495210), (26, 747605), (65, 299042), (130, 149521)]