1867220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1049}}^1$

素因数の和:1147

約数の個数: 24

約数和(自身を含む): 3969000

約数和(自身を除く): 2101780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1049, 1780, 2098, 4196, 5245, 10490, 20980, 93361, 186722, 373444, 466805, 933610, 1867220]

約数ペア:

[(1, 1867220), (2, 933610), (4, 466805), (5, 373444), (10, 186722), (20, 93361), (89, 20980), (178, 10490), (356, 5245), (445, 4196), (890, 2098), (1049, 1780)]