18487840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{971}}^1$

素因数の和:1010

約数の個数: 96

約数和(自身を含む): 52907904

約数和(自身を除く): 34420064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 340, 476, 544, 560, 595, 680, 952, 971, 1120, 1190, 1360, 1904, 1942, 2380, 2720, 3808, 3884, 4760, 4855, 6797, 7768, 9520, 9710, 13594, 15536, 16507, 19040, 19420, 27188, 31072, 33014, 33985, 38840, 54376, 66028, 67970, 77680, 82535, 108752, 115549, 132056, 135940, 155360, 165070, 217504, 231098, 264112, 271880, 330140, 462196, 528224, 543760, 577745, 660280, 924392, 1087520, 1155490, 1320560, 1848784, 2310980, 2641120, 3697568, 4621960, 9243920, 18487840]

約数ペア:

[(1, 18487840), (2, 9243920), (4, 4621960), (5, 3697568), (7, 2641120), (8, 2310980), (10, 1848784), (14, 1320560), (16, 1155490), (17, 1087520), (20, 924392), (28, 660280), (32, 577745), (34, 543760), (35, 528224), (40, 462196), (56, 330140), (68, 271880), (70, 264112), (80, 231098), (85, 217504), (112, 165070), (119, 155360), (136, 135940), (140, 132056), (160, 115549), (170, 108752), (224, 82535), (238, 77680), (272, 67970), (280, 66028), (340, 54376), (476, 38840), (544, 33985), (560, 33014), (595, 31072), (680, 27188), (952, 19420), (971, 19040), (1120, 16507), (1190, 15536), (1360, 13594), (1904, 9710), (1942, 9520), (2380, 7768), (2720, 6797), (3808, 4855), (3884, 4760)]