19104020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73477}}^1$

素因数の和:73499

約数の個数: 24

約数和(自身を含む): 43205064

約数和(自身を除く): 24101044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73477, 146954, 293908, 367385, 734770, 955201, 1469540, 1910402, 3820804, 4776005, 9552010, 19104020]

約数ペア:

[(1, 19104020), (2, 9552010), (4, 4776005), (5, 3820804), (10, 1910402), (13, 1469540), (20, 955201), (26, 734770), (52, 367385), (65, 293908), (130, 146954), (260, 73477)]