19005390116

素因数分解:

$2^2\times {\mathrm{389}}^1\times {\mathrm{571}}^1\times {\mathrm{21391}}^1$

素因数の和:22355

約数の個数: 24

約数和(自身を含む): 33404891520

約数和(自身を除く): 14399501404

約数列:

[1, 2, 4, 389, 571, 778, 1142, 1556, 2284, 21391, 42782, 85564, 222119, 444238, 888476, 8321099, 12214261, 16642198, 24428522, 33284396, 48857044, 4751347529, 9502695058, 19005390116]

約数ペア:

[(1, 19005390116), (2, 9502695058), (4, 4751347529), (389, 48857044), (571, 33284396), (778, 24428522), (1142, 16642198), (1556, 12214261), (2284, 8321099), (21391, 888476), (42782, 444238), (85564, 222119)]