19691230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151471}}^1$

素因数の和:151491

約数の個数: 16

約数和(自身を含む): 38170944

約数和(自身を除く): 18479714

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151471, 302942, 757355, 1514710, 1969123, 3938246, 9845615, 19691230]

約数ペア:

[(1, 19691230), (2, 9845615), (5, 3938246), (10, 1969123), (13, 1514710), (26, 757355), (65, 302942), (130, 151471)]