19260020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74077}}^1$

素因数の和:74099

約数の個数: 24

約数和(自身を含む): 43557864

約数和(自身を除く): 24297844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74077, 148154, 296308, 370385, 740770, 963001, 1481540, 1926002, 3852004, 4815005, 9630010, 19260020]

約数ペア:

[(1, 19260020), (2, 9630010), (4, 4815005), (5, 3852004), (10, 1926002), (13, 1481540), (20, 963001), (26, 740770), (52, 370385), (65, 296308), (130, 148154), (260, 74077)]