18319662

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 42845760

約数和(自身を除く): 24526098

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 53, 54, 74, 106, 111, 159, 173, 222, 318, 333, 346, 477, 519, 666, 954, 999, 1038, 1431, 1557, 1961, 1998, 2862, 3114, 3922, 4671, 5883, 6401, 9169, 9342, 11766, 12802, 17649, 18338, 19203, 27507, 35298, 38406, 52947, 55014, 57609, 82521, 105894, 115218, 165042, 172827, 247563, 339253, 345654, 495126, 678506, 1017759, 2035518, 3053277, 6106554, 9159831, 18319662]

約数ペア:

[(1, 18319662), (2, 9159831), (3, 6106554), (6, 3053277), (9, 2035518), (18, 1017759), (27, 678506), (37, 495126), (53, 345654), (54, 339253), (74, 247563), (106, 172827), (111, 165042), (159, 115218), (173, 105894), (222, 82521), (318, 57609), (333, 55014), (346, 52947), (477, 38406), (519, 35298), (666, 27507), (954, 19203), (999, 18338), (1038, 17649), (1431, 12802), (1557, 11766), (1961, 9342), (1998, 9169), (2862, 6401), (3114, 5883), (3922, 4671)]