19140380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19531}}^1$

素因数の和:19554

約数の個数: 36

約数和(自身を含む): 46759608

約数和(自身を除く): 27619228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19531, 39062, 78124, 97655, 136717, 195310, 273434, 390620, 546868, 683585, 957019, 1367170, 1914038, 2734340, 3828076, 4785095, 9570190, 19140380]

約数ペア:

[(1, 19140380), (2, 9570190), (4, 4785095), (5, 3828076), (7, 2734340), (10, 1914038), (14, 1367170), (20, 957019), (28, 683585), (35, 546868), (49, 390620), (70, 273434), (98, 195310), (140, 136717), (196, 97655), (245, 78124), (490, 39062), (980, 19531)]