18959002465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{811}}^1\times {\mathrm{823}}^1$

素因数の和:1694

約数の個数: 64

約数和(自身を含む): 26977628160

約数和(自身を除く): 8018625695

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 247, 299, 437, 811, 823, 1235, 1495, 2185, 4055, 4115, 5681, 10543, 10699, 15409, 15637, 18653, 18929, 28405, 52715, 53495, 77045, 78185, 93265, 94645, 200317, 203281, 242489, 246077, 354407, 359651, 667453, 1001585, 1016405, 1212445, 1230385, 1772035, 1798255, 3337265, 4607291, 4675463, 8676889, 12681607, 15351419, 23036455, 23377315, 43384445, 63408035, 76757095, 164860891, 199568447, 291676961, 824304455, 997842235, 1458384805, 3791800493, 18959002465]

約数ペア:

[(1, 18959002465), (5, 3791800493), (13, 1458384805), (19, 997842235), (23, 824304455), (65, 291676961), (95, 199568447), (115, 164860891), (247, 76757095), (299, 63408035), (437, 43384445), (811, 23377315), (823, 23036455), (1235, 15351419), (1495, 12681607), (2185, 8676889), (4055, 4675463), (4115, 4607291), (5681, 3337265), (10543, 1798255), (10699, 1772035), (15409, 1230385), (15637, 1212445), (18653, 1016405), (18929, 1001585), (28405, 667453), (52715, 359651), (53495, 354407), (77045, 246077), (78185, 242489), (93265, 203281), (94645, 200317)]