19528340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75109}}^1$

素因数の和:75131

約数の個数: 24

約数和(自身を含む): 44164680

約数和(自身を除く): 24636340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 75109, 150218, 300436, 375545, 751090, 976417, 1502180, 1952834, 3905668, 4882085, 9764170, 19528340]

約数ペア:

[(1, 19528340), (2, 9764170), (4, 4882085), (5, 3905668), (10, 1952834), (13, 1502180), (20, 976417), (26, 751090), (52, 375545), (65, 300436), (130, 150218), (260, 75109)]