18726840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4729}}^1$

素因数の和:4757

約数の個数: 96

約数和(自身を含む): 66409200

約数和(自身を除く): 47682360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 4729, 9458, 14187, 18916, 23645, 28374, 37832, 42561, 47290, 52019, 56748, 70935, 85122, 94580, 104038, 113496, 141870, 156057, 170244, 189160, 208076, 212805, 260095, 283740, 312114, 340488, 416152, 425610, 468171, 520190, 567480, 624228, 780285, 851220, 936342, 1040380, 1248456, 1560570, 1702440, 1872684, 2080760, 2340855, 3121140, 3745368, 4681710, 6242280, 9363420, 18726840]

約数ペア:

[(1, 18726840), (2, 9363420), (3, 6242280), (4, 4681710), (5, 3745368), (6, 3121140), (8, 2340855), (9, 2080760), (10, 1872684), (11, 1702440), (12, 1560570), (15, 1248456), (18, 1040380), (20, 936342), (22, 851220), (24, 780285), (30, 624228), (33, 567480), (36, 520190), (40, 468171), (44, 425610), (45, 416152), (55, 340488), (60, 312114), (66, 283740), (72, 260095), (88, 212805), (90, 208076), (99, 189160), (110, 170244), (120, 156057), (132, 141870), (165, 113496), (180, 104038), (198, 94580), (220, 85122), (264, 70935), (330, 56748), (360, 52019), (396, 47290), (440, 42561), (495, 37832), (660, 28374), (792, 23645), (990, 18916), (1320, 14187), (1980, 9458), (3960, 4729)]