18484444

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:418

約数の個数: 36

約数和(自身を含む): 35921704

約数和(自身を除く): 17437260

約数列:

[1, 2, 4, 11, 22, 44, 121, 181, 211, 242, 362, 422, 484, 724, 844, 1991, 2321, 3982, 4642, 7964, 9284, 21901, 25531, 38191, 43802, 51062, 76382, 87604, 102124, 152764, 420101, 840202, 1680404, 4621111, 9242222, 18484444]

約数ペア:

[(1, 18484444), (2, 9242222), (4, 4621111), (11, 1680404), (22, 840202), (44, 420101), (121, 152764), (181, 102124), (211, 87604), (242, 76382), (362, 51062), (422, 43802), (484, 38191), (724, 25531), (844, 21901), (1991, 9284), (2321, 7964), (3982, 4642)]