19805522

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{223}}^1\times {\mathrm{367}}^1$

素因数の和:614

約数の個数: 24

約数和(自身を含む): 32890368

約数和(自身を除く): 13084846

約数列:

[1, 2, 11, 22, 121, 223, 242, 367, 446, 734, 2453, 4037, 4906, 8074, 26983, 44407, 53966, 81841, 88814, 163682, 900251, 1800502, 9902761, 19805522]

約数ペア:

[(1, 19805522), (2, 9902761), (11, 1800502), (22, 900251), (121, 163682), (223, 88814), (242, 81841), (367, 53966), (446, 44407), (734, 26983), (2453, 8074), (4037, 4906)]