18715690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1601}}^1$

素因数の和:1782

約数の個数: 32

約数和(自身を含む): 38755584

約数和(自身を除く): 20039894

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 167, 334, 835, 1169, 1601, 1670, 2338, 3202, 5845, 8005, 11207, 11690, 16010, 22414, 56035, 112070, 267367, 534734, 1336835, 1871569, 2673670, 3743138, 9357845, 18715690]

約数ペア:

[(1, 18715690), (2, 9357845), (5, 3743138), (7, 2673670), (10, 1871569), (14, 1336835), (35, 534734), (70, 267367), (167, 112070), (334, 56035), (835, 22414), (1169, 16010), (1601, 11690), (1670, 11207), (2338, 8005), (3202, 5845)]