18515042788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{857}}^1\times {\mathrm{1699}}^1$

素因数の和:2605

約数の個数: 72

約数和(自身を含む): 37614376800

約数和(自身を除く): 19099334012

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 289, 374, 578, 748, 857, 1156, 1699, 1714, 3179, 3398, 3428, 6358, 6796, 9427, 12716, 14569, 18689, 18854, 28883, 29138, 37378, 37708, 57766, 58276, 74756, 115532, 160259, 247673, 317713, 320518, 491011, 495346, 635426, 641036, 982022, 990692, 1270852, 1456043, 1964044, 2724403, 2912086, 5401121, 5448806, 5824172, 10802242, 10897612, 16016473, 21604484, 24752731, 32032946, 49505462, 64065892, 99010924, 272280041, 420796427, 544560082, 841592854, 1089120164, 1683185708, 4628760697, 9257521394, 18515042788]

約数ペア:

[(1, 18515042788), (2, 9257521394), (4, 4628760697), (11, 1683185708), (17, 1089120164), (22, 841592854), (34, 544560082), (44, 420796427), (68, 272280041), (187, 99010924), (289, 64065892), (374, 49505462), (578, 32032946), (748, 24752731), (857, 21604484), (1156, 16016473), (1699, 10897612), (1714, 10802242), (3179, 5824172), (3398, 5448806), (3428, 5401121), (6358, 2912086), (6796, 2724403), (9427, 1964044), (12716, 1456043), (14569, 1270852), (18689, 990692), (18854, 982022), (28883, 641036), (29138, 635426), (37378, 495346), (37708, 491011), (57766, 320518), (58276, 317713), (74756, 247673), (115532, 160259)]