18661886

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:508

約数の個数: 24

約数和(自身を含む): 30171960

約数和(自身を除く): 11510074

約数列:

[1, 2, 17, 34, 83, 166, 289, 389, 578, 778, 1411, 2822, 6613, 13226, 23987, 32287, 47974, 64574, 112421, 224842, 548879, 1097758, 9330943, 18661886]

約数ペア:

[(1, 18661886), (2, 9330943), (17, 1097758), (34, 548879), (83, 224842), (166, 112421), (289, 64574), (389, 47974), (578, 32287), (778, 23987), (1411, 13226), (2822, 6613)]