19371820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74507}}^1$

素因数の和:74529

約数の個数: 24

約数和(自身を含む): 43810704

約数和(自身を除く): 24438884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74507, 149014, 298028, 372535, 745070, 968591, 1490140, 1937182, 3874364, 4842955, 9685910, 19371820]

約数ペア:

[(1, 19371820), (2, 9685910), (4, 4842955), (5, 3874364), (10, 1937182), (13, 1490140), (20, 968591), (26, 745070), (52, 372535), (65, 298028), (130, 149014), (260, 74507)]