30723988

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{21277}}^1$

素因数の和:21319

約数の個数: 18

約数和(自身を含む): 56748426

約数和(自身を除く): 26024438

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 21277, 42554, 85108, 404263, 808526, 1617052, 7680997, 15361994, 30723988]

約数ペア:

[(1, 30723988), (2, 15361994), (4, 7680997), (19, 1617052), (38, 808526), (76, 404263), (361, 85108), (722, 42554), (1444, 21277)]