15631990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12919}}^1$

素因数の和:12948

約数の個数: 24

約数和(自身を含む): 30930480

約数和(自身を除く): 15298490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 12919, 25838, 64595, 129190, 142109, 284218, 710545, 1421090, 1563199, 3126398, 7815995, 15631990]

約数ペア:

[(1, 15631990), (2, 7815995), (5, 3126398), (10, 1563199), (11, 1421090), (22, 710545), (55, 284218), (110, 142109), (121, 129190), (242, 64595), (605, 25838), (1210, 12919)]