19317398401

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21851}}^1$

素因数の和:21934

約数の個数: 48

約数和(自身を含む): 25760885760

約数和(自身を除く): 6443487359

約数列:

[1, 7, 17, 19, 23, 119, 133, 161, 289, 323, 391, 437, 2023, 2261, 2737, 3059, 5491, 6647, 7429, 21851, 38437, 46529, 52003, 126293, 152957, 371467, 415169, 502573, 884051, 2600269, 2906183, 3518011, 6314939, 7057873, 8543741, 9548887, 44204573, 49405111, 59806187, 66842209, 119983841, 145243597, 162331079, 839886887, 1016705179, 1136317553, 2759628343, 19317398401]

約数ペア:

[(1, 19317398401), (7, 2759628343), (17, 1136317553), (19, 1016705179), (23, 839886887), (119, 162331079), (133, 145243597), (161, 119983841), (289, 66842209), (323, 59806187), (391, 49405111), (437, 44204573), (2023, 9548887), (2261, 8543741), (2737, 7057873), (3059, 6314939), (5491, 3518011), (6647, 2906183), (7429, 2600269), (21851, 884051), (38437, 502573), (46529, 415169), (52003, 371467), (126293, 152957)]