19998692

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{9041}}^1$

素因数の和:9131

約数の個数: 24

約数和(自身を含む): 40508160

約数和(自身を除く): 20509468

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 9041, 18082, 36164, 63287, 126574, 253148, 714239, 1428478, 2856956, 4999673, 9999346, 19998692]

約数ペア:

[(1, 19998692), (2, 9999346), (4, 4999673), (7, 2856956), (14, 1428478), (28, 714239), (79, 253148), (158, 126574), (316, 63287), (553, 36164), (1106, 18082), (2212, 9041)]