18877384

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{859}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 36842400

約数和(自身を除く): 17965016

約数列:

[1, 2, 4, 8, 41, 67, 82, 134, 164, 268, 328, 536, 859, 1718, 2747, 3436, 5494, 6872, 10988, 21976, 35219, 57553, 70438, 115106, 140876, 230212, 281752, 460424, 2359673, 4719346, 9438692, 18877384]

約数ペア:

[(1, 18877384), (2, 9438692), (4, 4719346), (8, 2359673), (41, 460424), (67, 281752), (82, 230212), (134, 140876), (164, 115106), (268, 70438), (328, 57553), (536, 35219), (859, 21976), (1718, 10988), (2747, 6872), (3436, 5494)]