18366868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 37255680

約数和(自身を除く): 18888812

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 79, 158, 221, 263, 316, 442, 526, 884, 1027, 1052, 1343, 2054, 2686, 3419, 4108, 4471, 5372, 6838, 8942, 13676, 17459, 17884, 20777, 34918, 41554, 58123, 69836, 83108, 116246, 232492, 270101, 353209, 540202, 706418, 1080404, 1412836, 4591717, 9183434, 18366868]

約数ペア:

[(1, 18366868), (2, 9183434), (4, 4591717), (13, 1412836), (17, 1080404), (26, 706418), (34, 540202), (52, 353209), (68, 270101), (79, 232492), (158, 116246), (221, 83108), (263, 69836), (316, 58123), (442, 41554), (526, 34918), (884, 20777), (1027, 17884), (1052, 17459), (1343, 13676), (2054, 8942), (2686, 6838), (3419, 5372), (4108, 4471)]