19974985858

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{2510051}}^1$

素因数の和:2510249

約数の個数: 16

約数和(自身を含む): 31445931456

約数和(自身を除く): 11470945598

約数列:

[1, 2, 23, 46, 173, 346, 3979, 7958, 2510051, 5020102, 57731173, 115462346, 434238823, 868477646, 9987492929, 19974985858]

約数ペア:

[(1, 19974985858), (2, 9987492929), (23, 868477646), (46, 434238823), (173, 115462346), (346, 57731173), (3979, 5020102), (7958, 2510051)]