19917066

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8237}}^1$

素因数の和:8286

約数の個数: 32

約数和(自身を含む): 44287488

約数和(自身を除く): 24370422

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 8237, 16474, 24711, 49422, 107081, 214162, 255347, 321243, 510694, 642486, 766041, 1532082, 3319511, 6639022, 9958533, 19917066]

約数ペア:

[(1, 19917066), (2, 9958533), (3, 6639022), (6, 3319511), (13, 1532082), (26, 766041), (31, 642486), (39, 510694), (62, 321243), (78, 255347), (93, 214162), (186, 107081), (403, 49422), (806, 24711), (1209, 16474), (2418, 8237)]