19882590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7283}}^1$

素因数の和:7313

約数の個数: 64

約数和(自身を含む): 58738176

約数和(自身を除く): 38855586

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7283, 14566, 21849, 36415, 43698, 50981, 72830, 94679, 101962, 109245, 152943, 189358, 218490, 254905, 284037, 305886, 473395, 509810, 568074, 662753, 764715, 946790, 1325506, 1420185, 1529430, 1988259, 2840370, 3313765, 3976518, 6627530, 9941295, 19882590]

約数ペア:

[(1, 19882590), (2, 9941295), (3, 6627530), (5, 3976518), (6, 3313765), (7, 2840370), (10, 1988259), (13, 1529430), (14, 1420185), (15, 1325506), (21, 946790), (26, 764715), (30, 662753), (35, 568074), (39, 509810), (42, 473395), (65, 305886), (70, 284037), (78, 254905), (91, 218490), (105, 189358), (130, 152943), (182, 109245), (195, 101962), (210, 94679), (273, 72830), (390, 50981), (455, 43698), (546, 36415), (910, 21849), (1365, 14566), (2730, 7283)]