18938150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4919}}^1$

素因数の和:4949

約数の個数: 48

約数和(自身を含む): 43925760

約数和(自身を除く): 24987610

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 4919, 9838, 24595, 34433, 49190, 54109, 68866, 108218, 122975, 172165, 245950, 270545, 344330, 378763, 541090, 757526, 860825, 1352725, 1721650, 1893815, 2705450, 3787630, 9469075, 18938150]

約数ペア:

[(1, 18938150), (2, 9469075), (5, 3787630), (7, 2705450), (10, 1893815), (11, 1721650), (14, 1352725), (22, 860825), (25, 757526), (35, 541090), (50, 378763), (55, 344330), (70, 270545), (77, 245950), (110, 172165), (154, 122975), (175, 108218), (275, 68866), (350, 54109), (385, 49190), (550, 34433), (770, 24595), (1925, 9838), (3850, 4919)]