18477970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{499}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 39816000

約数和(自身を除く): 21338030

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 499, 529, 805, 998, 1058, 1610, 2495, 2645, 3493, 3703, 4990, 5290, 6986, 7406, 11477, 17465, 18515, 22954, 34930, 37030, 57385, 80339, 114770, 160678, 263971, 401695, 527942, 803390, 1319855, 1847797, 2639710, 3695594, 9238985, 18477970]

約数ペア:

[(1, 18477970), (2, 9238985), (5, 3695594), (7, 2639710), (10, 1847797), (14, 1319855), (23, 803390), (35, 527942), (46, 401695), (70, 263971), (115, 160678), (161, 114770), (230, 80339), (322, 57385), (499, 37030), (529, 34930), (805, 22954), (998, 18515), (1058, 17465), (1610, 11477), (2495, 7406), (2645, 6986), (3493, 5290), (3703, 4990)]