18681409803

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{52328879}}^1$

素因数の和:52328906

約数の個数: 16

約数和(自身を含む): 30141434880

約数和(自身を除く): 11460025077

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 52328879, 156986637, 366302153, 889590943, 1098906459, 2668772829, 6227136601, 18681409803]

約数ペア:

[(1, 18681409803), (3, 6227136601), (7, 2668772829), (17, 1098906459), (21, 889590943), (51, 366302153), (119, 156986637), (357, 52328879)]