18672881503

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1\times {\mathrm{409}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 20250720000

約数和(自身を除く): 1577838497

約数列:

[1, 19, 59, 139, 293, 409, 1121, 2641, 5567, 7771, 8201, 17287, 24131, 40727, 56851, 119837, 155819, 328453, 458489, 773813, 1080169, 2276903, 2402893, 3354209, 7070383, 16657343, 45654967, 63729971, 134337277, 316489517, 982783237, 18672881503]

約数ペア:

[(1, 18672881503), (19, 982783237), (59, 316489517), (139, 134337277), (293, 63729971), (409, 45654967), (1121, 16657343), (2641, 7070383), (5567, 3354209), (7771, 2402893), (8201, 2276903), (17287, 1080169), (24131, 773813), (40727, 458489), (56851, 328453), (119837, 155819)]