18799755

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 32612160

約数和(自身を除く): 13812405

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 229, 421, 687, 1145, 1263, 2105, 2977, 3435, 5473, 6315, 8931, 14885, 16419, 27365, 44655, 82095, 96409, 289227, 482045, 1253317, 1446135, 3759951, 6266585, 18799755]

約数ペア:

[(1, 18799755), (3, 6266585), (5, 3759951), (13, 1446135), (15, 1253317), (39, 482045), (65, 289227), (195, 96409), (229, 82095), (421, 44655), (687, 27365), (1145, 16419), (1263, 14885), (2105, 8931), (2977, 6315), (3435, 5473)]