19888414

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 38093328

約数和(自身を除く): 18204914

約数列:

[1, 2, 7, 13, 14, 26, 49, 67, 91, 98, 134, 182, 233, 466, 469, 637, 871, 938, 1274, 1631, 1742, 3029, 3262, 3283, 6058, 6097, 6566, 11417, 12194, 15611, 21203, 22834, 31222, 42406, 42679, 85358, 109277, 148421, 202943, 218554, 296842, 405886, 764939, 1420601, 1529878, 2841202, 9944207, 19888414]

約数ペア:

[(1, 19888414), (2, 9944207), (7, 2841202), (13, 1529878), (14, 1420601), (26, 764939), (49, 405886), (67, 296842), (91, 218554), (98, 202943), (134, 148421), (182, 109277), (233, 85358), (466, 42679), (469, 42406), (637, 31222), (871, 22834), (938, 21203), (1274, 15611), (1631, 12194), (1742, 11417), (3029, 6566), (3262, 6097), (3283, 6058)]