18701042638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:673

約数の個数: 64

約数和(自身を含む): 30400634880

約数和(自身を除く): 11699592242

約数列:

[1, 2, 19, 38, 97, 101, 191, 194, 202, 263, 382, 526, 1843, 1919, 3629, 3686, 3838, 4997, 7258, 9797, 9994, 18527, 19291, 19594, 25511, 26563, 37054, 38582, 50233, 51022, 53126, 100466, 186143, 352013, 366529, 372286, 484709, 504697, 704026, 733058, 954427, 969418, 1009394, 1871227, 1908854, 2576611, 3742454, 4872601, 5073533, 5153222, 9745202, 10147066, 35553313, 48955609, 71106626, 92579419, 96397127, 97911218, 185158838, 192794254, 492132701, 984265402, 9350521319, 18701042638]

約数ペア:

[(1, 18701042638), (2, 9350521319), (19, 984265402), (38, 492132701), (97, 192794254), (101, 185158838), (191, 97911218), (194, 96397127), (202, 92579419), (263, 71106626), (382, 48955609), (526, 35553313), (1843, 10147066), (1919, 9745202), (3629, 5153222), (3686, 5073533), (3838, 4872601), (4997, 3742454), (7258, 2576611), (9797, 1908854), (9994, 1871227), (18527, 1009394), (19291, 969418), (19594, 954427), (25511, 733058), (26563, 704026), (37054, 504697), (38582, 484709), (50233, 372286), (51022, 366529), (53126, 352013), (100466, 186143)]