20186917916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{144593}}^1$

素因数の和:144794

約数の個数: 48

約数和(自身を含む): 40810210560

約数和(自身を除く): 20623292644

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 167, 209, 334, 418, 668, 836, 1837, 3173, 3674, 6346, 7348, 12692, 34903, 69806, 139612, 144593, 289186, 578372, 1590523, 2747267, 3181046, 5494534, 6362092, 10989068, 24147031, 30219937, 48294062, 60439874, 96588124, 120879748, 265617341, 458793589, 531234682, 917587178, 1062469364, 1835174356, 5046729479, 10093458958, 20186917916]

約数ペア:

[(1, 20186917916), (2, 10093458958), (4, 5046729479), (11, 1835174356), (19, 1062469364), (22, 917587178), (38, 531234682), (44, 458793589), (76, 265617341), (167, 120879748), (209, 96588124), (334, 60439874), (418, 48294062), (668, 30219937), (836, 24147031), (1837, 10989068), (3173, 6362092), (3674, 5494534), (6346, 3181046), (7348, 2747267), (12692, 1590523), (34903, 578372), (69806, 289186), (139612, 144593)]