18843718

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{12889}}^1$

素因数の和:12951

約数の個数: 16

約数和(自身を含む): 30626640

約数和(自身を除く): 11782922

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 12889, 25778, 219113, 438226, 554227, 1108454, 9421859, 18843718]

約数ペア:

[(1, 18843718), (2, 9421859), (17, 1108454), (34, 554227), (43, 438226), (86, 219113), (731, 25778), (1462, 12889)]