18217784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2969}}^1$

素因数の和:3047

約数の個数: 32

約数和(自身を含む): 37422000

約数和(自身を除く): 19204216

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 236, 472, 767, 1534, 2969, 3068, 5938, 6136, 11876, 23752, 38597, 77194, 154388, 175171, 308776, 350342, 700684, 1401368, 2277223, 4554446, 9108892, 18217784]

約数ペア:

[(1, 18217784), (2, 9108892), (4, 4554446), (8, 2277223), (13, 1401368), (26, 700684), (52, 350342), (59, 308776), (104, 175171), (118, 154388), (236, 77194), (472, 38597), (767, 23752), (1534, 11876), (2969, 6136), (3068, 5938)]