19312475

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{653}}^1$

素因数の和:696

約数の個数: 36

約数和(自身を含む): 29681136

約数和(自身を除く): 10368661

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 169, 175, 325, 455, 653, 845, 1183, 2275, 3265, 4225, 4571, 5915, 8489, 16325, 22855, 29575, 42445, 59423, 110357, 114275, 212225, 297115, 551785, 772499, 1485575, 2758925, 3862495, 19312475]

約数ペア:

[(1, 19312475), (5, 3862495), (7, 2758925), (13, 1485575), (25, 772499), (35, 551785), (65, 297115), (91, 212225), (169, 114275), (175, 110357), (325, 59423), (455, 42445), (653, 29575), (845, 22855), (1183, 16325), (2275, 8489), (3265, 5915), (4225, 4571)]