19763435

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 26453952

約数和(自身を除く): 6690517

約数列:

[1, 5, 17, 41, 53, 85, 107, 205, 265, 535, 697, 901, 1819, 2173, 3485, 4387, 4505, 5671, 9095, 10865, 21935, 28355, 36941, 74579, 96407, 184705, 232511, 372895, 482035, 1162555, 3952687, 19763435]

約数ペア:

[(1, 19763435), (5, 3952687), (17, 1162555), (41, 482035), (53, 372895), (85, 232511), (107, 184705), (205, 96407), (265, 74579), (535, 36941), (697, 28355), (901, 21935), (1819, 10865), (2173, 9095), (3485, 5671), (4387, 4505)]