19769540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{20173}}^1$

素因数の和:20196

約数の個数: 36

約数和(自身を含む): 48296556

約数和(自身を除く): 28527016

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 20173, 40346, 80692, 100865, 141211, 201730, 282422, 403460, 564844, 706055, 988477, 1412110, 1976954, 2824220, 3953908, 4942385, 9884770, 19769540]

約数ペア:

[(1, 19769540), (2, 9884770), (4, 4942385), (5, 3953908), (7, 2824220), (10, 1976954), (14, 1412110), (20, 988477), (28, 706055), (35, 564844), (49, 403460), (70, 282422), (98, 201730), (140, 141211), (196, 100865), (245, 80692), (490, 40346), (980, 20173)]