19100890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{439}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 36432000

約数和(自身を除く): 17331110

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 229, 439, 458, 878, 1145, 2195, 2290, 4351, 4390, 8341, 8702, 16682, 21755, 41705, 43510, 83410, 100531, 201062, 502655, 1005310, 1910089, 3820178, 9550445, 19100890]

約数ペア:

[(1, 19100890), (2, 9550445), (5, 3820178), (10, 1910089), (19, 1005310), (38, 502655), (95, 201062), (190, 100531), (229, 83410), (439, 43510), (458, 41705), (878, 21755), (1145, 16682), (2195, 8702), (2290, 8341), (4351, 4390)]