19999452

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1193}}^1$

素因数の和:1338

約数の個数: 48

約数和(自身を含む): 51351552

約数和(自身を除く): 31352100

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 127, 132, 254, 381, 508, 762, 1193, 1397, 1524, 2386, 2794, 3579, 4191, 4772, 5588, 7158, 8382, 13123, 14316, 16764, 26246, 39369, 52492, 78738, 151511, 157476, 303022, 454533, 606044, 909066, 1666621, 1818132, 3333242, 4999863, 6666484, 9999726, 19999452]

約数ペア:

[(1, 19999452), (2, 9999726), (3, 6666484), (4, 4999863), (6, 3333242), (11, 1818132), (12, 1666621), (22, 909066), (33, 606044), (44, 454533), (66, 303022), (127, 157476), (132, 151511), (254, 78738), (381, 52492), (508, 39369), (762, 26246), (1193, 16764), (1397, 14316), (1524, 13123), (2386, 8382), (2794, 7158), (3579, 5588), (4191, 4772)]