19155492

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 50666616

約数和(自身を除く): 31511124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 73, 74, 111, 146, 148, 197, 219, 222, 292, 333, 394, 438, 444, 591, 657, 666, 788, 876, 1182, 1314, 1332, 1773, 2364, 2628, 2701, 3546, 5402, 7092, 7289, 8103, 10804, 14381, 14578, 16206, 21867, 24309, 28762, 29156, 32412, 43143, 43734, 48618, 57524, 65601, 86286, 87468, 97236, 129429, 131202, 172572, 258858, 262404, 517716, 532097, 1064194, 1596291, 2128388, 3192582, 4788873, 6385164, 9577746, 19155492]

約数ペア:

[(1, 19155492), (2, 9577746), (3, 6385164), (4, 4788873), (6, 3192582), (9, 2128388), (12, 1596291), (18, 1064194), (36, 532097), (37, 517716), (73, 262404), (74, 258858), (111, 172572), (146, 131202), (148, 129429), (197, 97236), (219, 87468), (222, 86286), (292, 65601), (333, 57524), (394, 48618), (438, 43734), (444, 43143), (591, 32412), (657, 29156), (666, 28762), (788, 24309), (876, 21867), (1182, 16206), (1314, 14578), (1332, 14381), (1773, 10804), (2364, 8103), (2628, 7289), (2701, 7092), (3546, 5402)]