18868725428

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1\times {\mathrm{26849}}^1$

素因数の和:28200

約数の個数: 48

約数和(自身を含む): 39755184000

約数和(自身を除く): 20886458572

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 1321, 2642, 5284, 9247, 18494, 25099, 26849, 36988, 50198, 53698, 100396, 107396, 175693, 187943, 351386, 375886, 510131, 702772, 751772, 1020262, 2040524, 3570917, 7141834, 14283668, 35467529, 70935058, 141870116, 248272703, 496545406, 673883051, 993090812, 1347766102, 2695532204, 4717181357, 9434362714, 18868725428]

約数ペア:

[(1, 18868725428), (2, 9434362714), (4, 4717181357), (7, 2695532204), (14, 1347766102), (19, 993090812), (28, 673883051), (38, 496545406), (76, 248272703), (133, 141870116), (266, 70935058), (532, 35467529), (1321, 14283668), (2642, 7141834), (5284, 3570917), (9247, 2040524), (18494, 1020262), (25099, 751772), (26849, 702772), (36988, 510131), (50198, 375886), (53698, 351386), (100396, 187943), (107396, 175693)]