18050500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2777}}^1$

素因数の和:2809

約数の個数: 48

約数和(自身を含む): 42470064

約数和(自身を除く): 24419564

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 2777, 3250, 5554, 6500, 11108, 13885, 27770, 36101, 55540, 69425, 72202, 138850, 144404, 180505, 277700, 347125, 361010, 694250, 722020, 902525, 1388500, 1805050, 3610100, 4512625, 9025250, 18050500]

約数ペア:

[(1, 18050500), (2, 9025250), (4, 4512625), (5, 3610100), (10, 1805050), (13, 1388500), (20, 902525), (25, 722020), (26, 694250), (50, 361010), (52, 347125), (65, 277700), (100, 180505), (125, 144404), (130, 138850), (250, 72202), (260, 69425), (325, 55540), (500, 36101), (650, 27770), (1300, 13885), (1625, 11108), (2777, 6500), (3250, 5554)]