19802258

素因数分解:

$2^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{4519}}^1$

素因数の和:4841

約数の個数: 16

約数和(自身を含む): 34062720

約数和(自身を除く): 14260462

約数列:

[1, 2, 7, 14, 313, 626, 2191, 4382, 4519, 9038, 31633, 63266, 1414447, 2828894, 9901129, 19802258]

約数ペア:

[(1, 19802258), (2, 9901129), (7, 2828894), (14, 1414447), (313, 63266), (626, 31633), (2191, 9038), (4382, 4519)]