18217012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 37158912

約数和(自身を除く): 18941900

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 47, 92, 94, 188, 253, 383, 506, 517, 766, 1012, 1034, 1081, 1532, 2068, 2162, 4213, 4324, 8426, 8809, 11891, 16852, 17618, 18001, 23782, 35236, 36002, 47564, 72004, 96899, 193798, 198011, 387596, 396022, 414023, 792044, 828046, 1656092, 4554253, 9108506, 18217012]

約数ペア:

[(1, 18217012), (2, 9108506), (4, 4554253), (11, 1656092), (22, 828046), (23, 792044), (44, 414023), (46, 396022), (47, 387596), (92, 198011), (94, 193798), (188, 96899), (253, 72004), (383, 47564), (506, 36002), (517, 35236), (766, 23782), (1012, 18001), (1034, 17618), (1081, 16852), (1532, 11891), (2068, 8809), (2162, 8426), (4213, 4324)]