19977398

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10729}}^1$

素因数の和:10764

約数の個数: 24

約数和(自身を含む): 36696600

約数和(自身を除く): 16719202

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 10729, 21458, 75103, 150206, 203851, 407702, 525721, 1051442, 1426957, 2853914, 9988699, 19977398]

約数ペア:

[(1, 19977398), (2, 9988699), (7, 2853914), (14, 1426957), (19, 1051442), (38, 525721), (49, 407702), (98, 203851), (133, 150206), (266, 75103), (931, 21458), (1862, 10729)]