18807986

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{1069}}^1$

素因数の和:1553

約数の個数: 16

約数和(自身を含む): 29788800

約数和(自身を除く): 10980814

約数列:

[1, 2, 19, 38, 463, 926, 1069, 2138, 8797, 17594, 20311, 40622, 494947, 989894, 9403993, 18807986]

約数ペア:

[(1, 18807986), (2, 9403993), (19, 989894), (38, 494947), (463, 40622), (926, 20311), (1069, 17594), (2138, 8797)]