18215974

素因数分解:

$2^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{4157}}^1$

素因数の和:4479

約数の個数: 16

約数和(自身を含む): 31334688

約数和(自身を除く): 13118714

約数列:

[1, 2, 7, 14, 313, 626, 2191, 4157, 4382, 8314, 29099, 58198, 1301141, 2602282, 9107987, 18215974]

約数ペア:

[(1, 18215974), (2, 9107987), (7, 2602282), (14, 1301141), (313, 58198), (626, 29099), (2191, 8314), (4157, 4382)]