19918880930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153222161}}^1$

素因数の和:153222181

約数の個数: 16

約数和(自身を含む): 38611984824

約数和(自身を除く): 18693103894

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 153222161, 306444322, 766110805, 1532221610, 1991888093, 3983776186, 9959440465, 19918880930]

約数ペア:

[(1, 19918880930), (2, 9959440465), (5, 3983776186), (10, 1991888093), (13, 1532221610), (26, 766110805), (65, 306444322), (130, 153222161)]