18609039

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 29877120

約数和(自身を除く): 11268081

約数列:

[1, 3, 9, 29, 37, 41, 47, 87, 111, 123, 141, 261, 333, 369, 423, 1073, 1189, 1363, 1517, 1739, 1927, 3219, 3567, 4089, 4551, 5217, 5781, 9657, 10701, 12267, 13653, 15651, 17343, 43993, 50431, 55883, 71299, 131979, 151293, 167649, 213897, 395937, 453879, 502947, 641691, 2067671, 6203013, 18609039]

約数ペア:

[(1, 18609039), (3, 6203013), (9, 2067671), (29, 641691), (37, 502947), (41, 453879), (47, 395937), (87, 213897), (111, 167649), (123, 151293), (141, 131979), (261, 71299), (333, 55883), (369, 50431), (423, 43993), (1073, 17343), (1189, 15651), (1363, 13653), (1517, 12267), (1739, 10701), (1927, 9657), (3219, 5781), (3567, 5217), (4089, 4551)]