18892461

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12671}}^1$

素因数の和:12752

約数の個数: 16

約数和(自身を含む): 29196288

約数和(自身を除く): 10303827

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 12671, 38013, 88697, 266091, 899641, 2698923, 6297487, 18892461]

約数ペア:

[(1, 18892461), (3, 6297487), (7, 2698923), (21, 899641), (71, 266091), (213, 88697), (497, 38013), (1491, 12671)]