19989810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{222109}}^1$

素因数の和:222122

約数の個数: 24

約数和(自身を含む): 51973740

約数和(自身を除く): 31983930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 222109, 444218, 666327, 1110545, 1332654, 1998981, 2221090, 3331635, 3997962, 6663270, 9994905, 19989810]

約数ペア:

[(1, 19989810), (2, 9994905), (3, 6663270), (5, 3997962), (6, 3331635), (9, 2221090), (10, 1998981), (15, 1332654), (18, 1110545), (30, 666327), (45, 444218), (90, 222109)]