19980122

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1\times {\mathrm{613}}^1$

素因数の和:1037

約数の個数: 16

約数和(自身を含む): 30798240

約数和(自身を除く): 10818118

約数列:

[1, 2, 43, 86, 379, 613, 758, 1226, 16297, 26359, 32594, 52718, 232327, 464654, 9990061, 19980122]

約数ペア:

[(1, 19980122), (2, 9990061), (43, 464654), (86, 232327), (379, 52718), (613, 32594), (758, 26359), (1226, 16297)]