19304870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{11423}}^1$

素因数の和:11456

約数の個数: 24

約数和(自身を含む): 37630656

約数和(自身を除く): 18325786

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11423, 22846, 57115, 114230, 148499, 296998, 742495, 1484990, 1930487, 3860974, 9652435, 19304870]

約数ペア:

[(1, 19304870), (2, 9652435), (5, 3860974), (10, 1930487), (13, 1484990), (26, 742495), (65, 296998), (130, 148499), (169, 114230), (338, 57115), (845, 22846), (1690, 11423)]