18397366

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 31842720

約数和(自身を除く): 13445354

約数列:

[1, 2, 13, 17, 26, 34, 107, 214, 221, 389, 442, 778, 1391, 1819, 2782, 3638, 5057, 6613, 10114, 13226, 23647, 41623, 47294, 83246, 85969, 171938, 541099, 707591, 1082198, 1415182, 9198683, 18397366]

約数ペア:

[(1, 18397366), (2, 9198683), (13, 1415182), (17, 1082198), (26, 707591), (34, 541099), (107, 171938), (214, 85969), (221, 83246), (389, 47294), (442, 41623), (778, 23647), (1391, 13226), (1819, 10114), (2782, 6613), (3638, 5057)]