19850684

素因数分解:

$2^2\times 7^2\times {\mathrm{101279}}^1$

素因数の和:101297

約数の個数: 18

約数和(自身を含む): 40410720

約数和(自身を除く): 20560036

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 101279, 202558, 405116, 708953, 1417906, 2835812, 4962671, 9925342, 19850684]

約数ペア:

[(1, 19850684), (2, 9925342), (4, 4962671), (7, 2835812), (14, 1417906), (28, 708953), (49, 405116), (98, 202558), (196, 101279)]