18313938

素因数分解:

$2^1\times 3^7\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 42508800

約数和(自身を除く): 24194862

約数列:

[1, 2, 3, 6, 9, 18, 27, 53, 54, 79, 81, 106, 158, 159, 162, 237, 243, 318, 474, 477, 486, 711, 729, 954, 1422, 1431, 1458, 2133, 2187, 2862, 4187, 4266, 4293, 4374, 6399, 8374, 8586, 12561, 12798, 12879, 19197, 25122, 25758, 37683, 38394, 38637, 57591, 75366, 77274, 113049, 115182, 115911, 172773, 226098, 231822, 339147, 345546, 678294, 1017441, 2034882, 3052323, 6104646, 9156969, 18313938]

約数ペア:

[(1, 18313938), (2, 9156969), (3, 6104646), (6, 3052323), (9, 2034882), (18, 1017441), (27, 678294), (53, 345546), (54, 339147), (79, 231822), (81, 226098), (106, 172773), (158, 115911), (159, 115182), (162, 113049), (237, 77274), (243, 75366), (318, 57591), (474, 38637), (477, 38394), (486, 37683), (711, 25758), (729, 25122), (954, 19197), (1422, 12879), (1431, 12798), (1458, 12561), (2133, 8586), (2187, 8374), (2862, 6399), (4187, 4374), (4266, 4293)]