18644850

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{1973}}^1$

素因数の和:2001

約数の個数: 96

約数和(自身を含む): 58746240

約数和(自身を除く): 40101390

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 90, 105, 126, 135, 150, 175, 189, 210, 225, 270, 315, 350, 378, 450, 525, 630, 675, 945, 1050, 1350, 1575, 1890, 1973, 3150, 3946, 4725, 5919, 9450, 9865, 11838, 13811, 17757, 19730, 27622, 29595, 35514, 41433, 49325, 53271, 59190, 69055, 82866, 88785, 98650, 106542, 124299, 138110, 147975, 177570, 207165, 248598, 266355, 295950, 345275, 372897, 414330, 443925, 532710, 621495, 690550, 745794, 887850, 1035825, 1242990, 1331775, 1864485, 2071650, 2663550, 3107475, 3728970, 6214950, 9322425, 18644850]

約数ペア:

[(1, 18644850), (2, 9322425), (3, 6214950), (5, 3728970), (6, 3107475), (7, 2663550), (9, 2071650), (10, 1864485), (14, 1331775), (15, 1242990), (18, 1035825), (21, 887850), (25, 745794), (27, 690550), (30, 621495), (35, 532710), (42, 443925), (45, 414330), (50, 372897), (54, 345275), (63, 295950), (70, 266355), (75, 248598), (90, 207165), (105, 177570), (126, 147975), (135, 138110), (150, 124299), (175, 106542), (189, 98650), (210, 88785), (225, 82866), (270, 69055), (315, 59190), (350, 53271), (378, 49325), (450, 41433), (525, 35514), (630, 29595), (675, 27622), (945, 19730), (1050, 17757), (1350, 13811), (1575, 11838), (1890, 9865), (1973, 9450), (3150, 5919), (3946, 4725)]