18630878

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 35236944

約数和(自身を除く): 16606066

約数列:

[1, 2, 7, 14, 17, 34, 49, 53, 98, 106, 119, 211, 238, 371, 422, 742, 833, 901, 1477, 1666, 1802, 2597, 2954, 3587, 5194, 6307, 7174, 10339, 11183, 12614, 20678, 22366, 25109, 44149, 50218, 78281, 88298, 156562, 175763, 190111, 351526, 380222, 547967, 1095934, 1330777, 2661554, 9315439, 18630878]

約数ペア:

[(1, 18630878), (2, 9315439), (7, 2661554), (14, 1330777), (17, 1095934), (34, 547967), (49, 380222), (53, 351526), (98, 190111), (106, 175763), (119, 156562), (211, 88298), (238, 78281), (371, 50218), (422, 44149), (742, 25109), (833, 22366), (901, 20678), (1477, 12614), (1666, 11183), (1802, 10339), (2597, 7174), (2954, 6307), (3587, 5194)]