18480975

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^2\times {\mathrm{293}}^1$

素因数の和:364

約数の個数: 36

約数和(自身を含む): 31753176

約数和(自身を除く): 13272201

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 293, 435, 725, 841, 879, 1465, 2175, 2523, 4205, 4395, 7325, 8497, 12615, 21025, 21975, 25491, 42485, 63075, 127455, 212425, 246413, 637275, 739239, 1232065, 3696195, 6160325, 18480975]

約数ペア:

[(1, 18480975), (3, 6160325), (5, 3696195), (15, 1232065), (25, 739239), (29, 637275), (75, 246413), (87, 212425), (145, 127455), (293, 63075), (435, 42485), (725, 25491), (841, 21975), (879, 21025), (1465, 12615), (2175, 8497), (2523, 7325), (4205, 4395)]