19980930142

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{557}}^1\times {\mathrm{929}}^1$

素因数の和:1980

約数の個数: 32

約数和(自身を含む): 30825036000

約数和(自身を除く): 10844105858

約数列:

[1, 2, 43, 86, 449, 557, 898, 929, 1114, 1858, 19307, 23951, 38614, 39947, 47902, 79894, 250093, 417121, 500186, 517453, 834242, 1034906, 10753999, 17936203, 21507998, 22250479, 35872406, 44500958, 232336397, 464672794, 9990465071, 19980930142]

約数ペア:

[(1, 19980930142), (2, 9990465071), (43, 464672794), (86, 232336397), (449, 44500958), (557, 35872406), (898, 22250479), (929, 21507998), (1114, 17936203), (1858, 10753999), (19307, 1034906), (23951, 834242), (38614, 517453), (39947, 500186), (47902, 417121), (79894, 250093)]