18905838

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{10979}}^1$

素因数の和:11032

約数の個数: 32

約数和(自身を含む): 44271360

約数和(自身を除く): 25365522

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 10979, 21958, 32937, 65874, 76853, 153706, 230559, 450139, 461118, 900278, 1350417, 2700834, 3150973, 6301946, 9452919, 18905838]

約数ペア:

[(1, 18905838), (2, 9452919), (3, 6301946), (6, 3150973), (7, 2700834), (14, 1350417), (21, 900278), (41, 461118), (42, 450139), (82, 230559), (123, 153706), (246, 76853), (287, 65874), (574, 32937), (861, 21958), (1722, 10979)]