19682650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{283}}^1$

素因数の和:415

約数の個数: 48

約数和(自身を含む): 39934944

約数和(自身を除く): 20252294

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 107, 130, 214, 283, 325, 535, 566, 650, 1070, 1391, 1415, 2675, 2782, 2830, 3679, 5350, 6955, 7075, 7358, 13910, 14150, 18395, 30281, 34775, 36790, 60562, 69550, 91975, 151405, 183950, 302810, 393653, 757025, 787306, 1514050, 1968265, 3936530, 9841325, 19682650]

約数ペア:

[(1, 19682650), (2, 9841325), (5, 3936530), (10, 1968265), (13, 1514050), (25, 787306), (26, 757025), (50, 393653), (65, 302810), (107, 183950), (130, 151405), (214, 91975), (283, 69550), (325, 60562), (535, 36790), (566, 34775), (650, 30281), (1070, 18395), (1391, 14150), (1415, 13910), (2675, 7358), (2782, 7075), (2830, 6955), (3679, 5350)]