18546704020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71333477}}^1$

素因数の和:71333499

約数の個数: 24

約数和(自身を含む): 41944085064

約数和(自身を除く): 23397381044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 71333477, 142666954, 285333908, 356667385, 713334770, 927335201, 1426669540, 1854670402, 3709340804, 4636676005, 9273352010, 18546704020]

約数ペア:

[(1, 18546704020), (2, 9273352010), (4, 4636676005), (5, 3709340804), (10, 1854670402), (13, 1426669540), (20, 927335201), (26, 713334770), (52, 356667385), (65, 285333908), (130, 142666954), (260, 71333477)]