18000778

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{887}}^1$

素因数の和:1101

約数の個数: 16

約数和(自身を含む): 27599040

約数和(自身を除く): 9598262

約数列:

[1, 2, 73, 139, 146, 278, 887, 1774, 10147, 20294, 64751, 123293, 129502, 246586, 9000389, 18000778]

約数ペア:

[(1, 18000778), (2, 9000389), (73, 246586), (139, 129502), (146, 123293), (278, 64751), (887, 20294), (1774, 10147)]