20181692024

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{188953}}^1$

素因数の和:189064

約数の個数: 48

約数和(自身を含む): 41494298400

約数和(自身を除く): 21312606376

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 169, 316, 338, 632, 676, 1027, 1352, 2054, 4108, 8216, 13351, 26702, 53404, 106808, 188953, 377906, 755812, 1511624, 2456389, 4912778, 9825556, 14927287, 19651112, 29854574, 31933057, 59709148, 63866114, 119418296, 127732228, 194054731, 255464456, 388109462, 776218924, 1552437848, 2522711503, 5045423006, 10090846012, 20181692024]

約数ペア:

[(1, 20181692024), (2, 10090846012), (4, 5045423006), (8, 2522711503), (13, 1552437848), (26, 776218924), (52, 388109462), (79, 255464456), (104, 194054731), (158, 127732228), (169, 119418296), (316, 63866114), (338, 59709148), (632, 31933057), (676, 29854574), (1027, 19651112), (1352, 14927287), (2054, 9825556), (4108, 4912778), (8216, 2456389), (13351, 1511624), (26702, 755812), (53404, 377906), (106808, 188953)]