19984932

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{463}}^1$

素因数の和:593

約数の個数: 72

約数和(自身を含む): 55735680

約数和(自身を除く): 35750748

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 109, 132, 198, 218, 327, 396, 436, 463, 654, 926, 981, 1199, 1308, 1389, 1852, 1962, 2398, 2778, 3597, 3924, 4167, 4796, 5093, 5556, 7194, 8334, 10186, 10791, 14388, 15279, 16668, 20372, 21582, 30558, 43164, 45837, 50467, 61116, 91674, 100934, 151401, 183348, 201868, 302802, 454203, 555137, 605604, 908406, 1110274, 1665411, 1816812, 2220548, 3330822, 4996233, 6661644, 9992466, 19984932]

約数ペア:

[(1, 19984932), (2, 9992466), (3, 6661644), (4, 4996233), (6, 3330822), (9, 2220548), (11, 1816812), (12, 1665411), (18, 1110274), (22, 908406), (33, 605604), (36, 555137), (44, 454203), (66, 302802), (99, 201868), (109, 183348), (132, 151401), (198, 100934), (218, 91674), (327, 61116), (396, 50467), (436, 45837), (463, 43164), (654, 30558), (926, 21582), (981, 20372), (1199, 16668), (1308, 15279), (1389, 14388), (1852, 10791), (1962, 10186), (2398, 8334), (2778, 7194), (3597, 5556), (3924, 5093), (4167, 4796)]