19645730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151121}}^1$

素因数の和:151141

約数の個数: 16

約数和(自身を含む): 38082744

約数和(自身を除く): 18437014

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151121, 302242, 755605, 1511210, 1964573, 3929146, 9822865, 19645730]

約数ペア:

[(1, 19645730), (2, 9822865), (5, 3929146), (10, 1964573), (13, 1511210), (26, 755605), (65, 302242), (130, 151121)]