18745218

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{12547}}^1$

素因数の和:12638

約数の個数: 24

約数和(自身を含む): 41107248

約数和(自身を除く): 22362030

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 498, 747, 1494, 12547, 25094, 37641, 75282, 112923, 225846, 1041401, 2082802, 3124203, 6248406, 9372609, 18745218]

約数ペア:

[(1, 18745218), (2, 9372609), (3, 6248406), (6, 3124203), (9, 2082802), (18, 1041401), (83, 225846), (166, 112923), (249, 75282), (498, 37641), (747, 25094), (1494, 12547)]