19224964

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 38860416

約数和(自身を除く): 19635452

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 121, 157, 242, 253, 314, 484, 506, 628, 1012, 1331, 1727, 2662, 2783, 3454, 3611, 5324, 5566, 6908, 7222, 11132, 14444, 18997, 30613, 37994, 39721, 61226, 75988, 79442, 122452, 158884, 208967, 417934, 436931, 835868, 873862, 1747724, 4806241, 9612482, 19224964]

約数ペア:

[(1, 19224964), (2, 9612482), (4, 4806241), (11, 1747724), (22, 873862), (23, 835868), (44, 436931), (46, 417934), (92, 208967), (121, 158884), (157, 122452), (242, 79442), (253, 75988), (314, 61226), (484, 39721), (506, 37994), (628, 30613), (1012, 18997), (1331, 14444), (1727, 11132), (2662, 7222), (2783, 6908), (3454, 5566), (3611, 5324)]