18149776

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:343

約数の個数: 40

約数和(自身を含む): 36247680

約数和(自身を除く): 18097904

約数列:

[1, 2, 4, 8, 16, 79, 83, 158, 166, 173, 316, 332, 346, 632, 664, 692, 1264, 1328, 1384, 2768, 6557, 13114, 13667, 14359, 26228, 27334, 28718, 52456, 54668, 57436, 104912, 109336, 114872, 218672, 229744, 1134361, 2268722, 4537444, 9074888, 18149776]

約数ペア:

[(1, 18149776), (2, 9074888), (4, 4537444), (8, 2268722), (16, 1134361), (79, 229744), (83, 218672), (158, 114872), (166, 109336), (173, 104912), (316, 57436), (332, 54668), (346, 52456), (632, 28718), (664, 27334), (692, 26228), (1264, 14359), (1328, 13667), (1384, 13114), (2768, 6557)]