18806620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134333}}^1$

素因数の和:134349

約数の個数: 24

約数和(自身を含む): 45136224

約数和(自身を除く): 26329604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134333, 268666, 537332, 671665, 940331, 1343330, 1880662, 2686660, 3761324, 4701655, 9403310, 18806620]

約数ペア:

[(1, 18806620), (2, 9403310), (4, 4701655), (5, 3761324), (7, 2686660), (10, 1880662), (14, 1343330), (20, 940331), (28, 671665), (35, 537332), (70, 268666), (140, 134333)]