19438874

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 37459968

約数和(自身を除く): 18021094

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 127, 182, 203, 254, 377, 406, 754, 841, 889, 1651, 1682, 1778, 2639, 3302, 3683, 5278, 5887, 7366, 10933, 11557, 11774, 21866, 23114, 25781, 47879, 51562, 76531, 95758, 106807, 153062, 213614, 335153, 670306, 747649, 1388491, 1495298, 2776982, 9719437, 19438874]

約数ペア:

[(1, 19438874), (2, 9719437), (7, 2776982), (13, 1495298), (14, 1388491), (26, 747649), (29, 670306), (58, 335153), (91, 213614), (127, 153062), (182, 106807), (203, 95758), (254, 76531), (377, 51562), (406, 47879), (754, 25781), (841, 23114), (889, 21866), (1651, 11774), (1682, 11557), (1778, 10933), (2639, 7366), (3302, 5887), (3683, 5278)]