1819895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:215

約数の個数: 32

約数和(自身を含む): 2833920

約数和(自身を除く): 1014025

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 163, 203, 319, 385, 815, 1015, 1141, 1595, 1793, 2233, 4727, 5705, 8965, 11165, 12551, 23635, 33089, 51997, 62755, 165445, 259985, 363979, 1819895]

約数ペア:

[(1, 1819895), (5, 363979), (7, 259985), (11, 165445), (29, 62755), (35, 51997), (55, 33089), (77, 23635), (145, 12551), (163, 11165), (203, 8965), (319, 5705), (385, 4727), (815, 2233), (1015, 1793), (1141, 1595)]