20173981652

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{561199}}^1$

素因数の和:561276

約数の個数: 48

約数和(自身を含む): 41483904000

約数和(自身を除く): 21309922348

約数列:

[1, 2, 4, 11, 19, 22, 38, 43, 44, 76, 86, 172, 209, 418, 473, 817, 836, 946, 1634, 1892, 3268, 8987, 17974, 35948, 561199, 1122398, 2244796, 6173189, 10662781, 12346378, 21325562, 24131557, 24692756, 42651124, 48263114, 96526228, 117290591, 234581182, 265447127, 458499583, 469162364, 530894254, 916999166, 1061788508, 1833998332, 5043495413, 10086990826, 20173981652]

約数ペア:

[(1, 20173981652), (2, 10086990826), (4, 5043495413), (11, 1833998332), (19, 1061788508), (22, 916999166), (38, 530894254), (43, 469162364), (44, 458499583), (76, 265447127), (86, 234581182), (172, 117290591), (209, 96526228), (418, 48263114), (473, 42651124), (817, 24692756), (836, 24131557), (946, 21325562), (1634, 12346378), (1892, 10662781), (3268, 6173189), (8987, 2244796), (17974, 1122398), (35948, 561199)]