19947012

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 50883840

約数和(自身を除く): 30936828

約数列:

[1, 2, 3, 4, 6, 12, 29, 31, 43, 58, 62, 86, 87, 93, 116, 124, 129, 172, 174, 186, 258, 348, 372, 516, 899, 1247, 1333, 1798, 1849, 2494, 2666, 2697, 3596, 3698, 3741, 3999, 4988, 5332, 5394, 5547, 7396, 7482, 7998, 10788, 11094, 14964, 15996, 22188, 38657, 53621, 57319, 77314, 107242, 114638, 115971, 154628, 160863, 171957, 214484, 229276, 231942, 321726, 343914, 463884, 643452, 687828, 1662251, 3324502, 4986753, 6649004, 9973506, 19947012]

約数ペア:

[(1, 19947012), (2, 9973506), (3, 6649004), (4, 4986753), (6, 3324502), (12, 1662251), (29, 687828), (31, 643452), (43, 463884), (58, 343914), (62, 321726), (86, 231942), (87, 229276), (93, 214484), (116, 171957), (124, 160863), (129, 154628), (172, 115971), (174, 114638), (186, 107242), (258, 77314), (348, 57319), (372, 53621), (516, 38657), (899, 22188), (1247, 15996), (1333, 14964), (1798, 11094), (1849, 10788), (2494, 7998), (2666, 7482), (2697, 7396), (3596, 5547), (3698, 5394), (3741, 5332), (3999, 4988)]