30271978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{72421}}^1$

素因数の和:72453

約数の個数: 16

約数和(自身を含む): 52143840

約数和(自身を除く): 21871862

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 72421, 144842, 796631, 1375999, 1593262, 2751998, 15135989, 30271978]

約数ペア:

[(1, 30271978), (2, 15135989), (11, 2751998), (19, 1593262), (22, 1375999), (38, 796631), (209, 144842), (418, 72421)]