30498724

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{21121}}^1$

素因数の和:21163

約数の個数: 18

約数和(自身を含む): 56332374

約数和(自身を除く): 25833650

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 21121, 42242, 84484, 401299, 802598, 1605196, 7624681, 15249362, 30498724]

約数ペア:

[(1, 30498724), (2, 15249362), (4, 7624681), (19, 1605196), (38, 802598), (76, 401299), (361, 84484), (722, 42242), (1444, 21121)]