19145620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73637}}^1$

素因数の和:73659

約数の個数: 24

約数和(自身を含む): 43299144

約数和(自身を除く): 24153524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73637, 147274, 294548, 368185, 736370, 957281, 1472740, 1914562, 3829124, 4786405, 9572810, 19145620]

約数ペア:

[(1, 19145620), (2, 9572810), (4, 4786405), (5, 3829124), (10, 1914562), (13, 1472740), (20, 957281), (26, 736370), (52, 368185), (65, 294548), (130, 147274), (260, 73637)]