19814522

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 37844352

約数和(自身を除く): 18029830

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 103, 151, 182, 206, 302, 637, 721, 1057, 1274, 1339, 1442, 1963, 2114, 2678, 3926, 5047, 7399, 9373, 10094, 13741, 14798, 15553, 18746, 27482, 31106, 65611, 96187, 108871, 131222, 192374, 202189, 217742, 404378, 762097, 1415323, 1524194, 2830646, 9907261, 19814522]

約数ペア:

[(1, 19814522), (2, 9907261), (7, 2830646), (13, 1524194), (14, 1415323), (26, 762097), (49, 404378), (91, 217742), (98, 202189), (103, 192374), (151, 131222), (182, 108871), (206, 96187), (302, 65611), (637, 31106), (721, 27482), (1057, 18746), (1274, 15553), (1339, 14798), (1442, 13741), (1963, 10094), (2114, 9373), (2678, 7399), (3926, 5047)]