18319275

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6263}}^1$

素因数の和:6292

約数の個数: 36

約数和(自身を含む): 35341488

約数和(自身を除く): 17022213

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 6263, 18789, 31315, 56367, 81419, 93945, 156575, 244257, 281835, 407095, 469725, 732771, 1221285, 1409175, 2035475, 3663855, 6106425, 18319275]

約数ペア:

[(1, 18319275), (3, 6106425), (5, 3663855), (9, 2035475), (13, 1409175), (15, 1221285), (25, 732771), (39, 469725), (45, 407095), (65, 281835), (75, 244257), (117, 156575), (195, 93945), (225, 81419), (325, 56367), (585, 31315), (975, 18789), (2925, 6263)]