18714790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{389}}^1$

素因数の和:696

約数の個数: 32

約数和(自身を含む): 35886240

約数和(自身を除く): 17171450

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 283, 389, 566, 778, 1415, 1945, 2830, 3890, 4811, 6613, 9622, 13226, 24055, 33065, 48110, 66130, 110087, 220174, 550435, 1100870, 1871479, 3742958, 9357395, 18714790]

約数ペア:

[(1, 18714790), (2, 9357395), (5, 3742958), (10, 1871479), (17, 1100870), (34, 550435), (85, 220174), (170, 110087), (283, 66130), (389, 48110), (566, 33065), (778, 24055), (1415, 13226), (1945, 9622), (2830, 6613), (3890, 4811)]