18261628

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 40174848

約数和(自身を除く): 21913220

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 211, 281, 308, 422, 562, 844, 1124, 1477, 1967, 2321, 2954, 3091, 3934, 4642, 5908, 6182, 7868, 9284, 12364, 16247, 21637, 32494, 43274, 59291, 64988, 86548, 118582, 237164, 415037, 652201, 830074, 1304402, 1660148, 2608804, 4565407, 9130814, 18261628]

約数ペア:

[(1, 18261628), (2, 9130814), (4, 4565407), (7, 2608804), (11, 1660148), (14, 1304402), (22, 830074), (28, 652201), (44, 415037), (77, 237164), (154, 118582), (211, 86548), (281, 64988), (308, 59291), (422, 43274), (562, 32494), (844, 21637), (1124, 16247), (1477, 12364), (1967, 9284), (2321, 7868), (2954, 6182), (3091, 5908), (3934, 4642)]