19386950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 39841200

約数和(自身を除く): 20454250

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 101, 110, 202, 275, 349, 505, 550, 698, 1010, 1111, 1745, 2222, 2525, 3490, 3839, 5050, 5555, 7678, 8725, 11110, 17450, 19195, 27775, 35249, 38390, 55550, 70498, 95975, 176245, 191950, 352490, 387739, 775478, 881225, 1762450, 1938695, 3877390, 9693475, 19386950]

約数ペア:

[(1, 19386950), (2, 9693475), (5, 3877390), (10, 1938695), (11, 1762450), (22, 881225), (25, 775478), (50, 387739), (55, 352490), (101, 191950), (110, 176245), (202, 95975), (275, 70498), (349, 55550), (505, 38390), (550, 35249), (698, 27775), (1010, 19195), (1111, 17450), (1745, 11110), (2222, 8725), (2525, 7678), (3490, 5555), (3839, 5050)]