19863910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2029}}^1$

素因数の和:2136

約数の個数: 32

約数和(自身を含む): 39463200

約数和(自身を除く): 19599290

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 2029, 4058, 4895, 9790, 10145, 20290, 22319, 44638, 111595, 180581, 223190, 361162, 902905, 1805810, 1986391, 3972782, 9931955, 19863910]

約数ペア:

[(1, 19863910), (2, 9931955), (5, 3972782), (10, 1986391), (11, 1805810), (22, 902905), (55, 361162), (89, 223190), (110, 180581), (178, 111595), (445, 44638), (890, 22319), (979, 20290), (1958, 10145), (2029, 9790), (4058, 4895)]