18041274

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 40689792

約数和(自身を除く): 22648518

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 103, 111, 206, 222, 263, 309, 333, 526, 618, 666, 789, 927, 1578, 1854, 2367, 3811, 4734, 7622, 9731, 11433, 19462, 22866, 27089, 29193, 34299, 54178, 58386, 68598, 81267, 87579, 162534, 175158, 243801, 487602, 1002293, 2004586, 3006879, 6013758, 9020637, 18041274]

約数ペア:

[(1, 18041274), (2, 9020637), (3, 6013758), (6, 3006879), (9, 2004586), (18, 1002293), (37, 487602), (74, 243801), (103, 175158), (111, 162534), (206, 87579), (222, 81267), (263, 68598), (309, 58386), (333, 54178), (526, 34299), (618, 29193), (666, 27089), (789, 22866), (927, 19462), (1578, 11433), (1854, 9731), (2367, 7622), (3811, 4734)]