18823766

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 31600800

約数和(自身を除く): 12777034

約数列:

[1, 2, 13, 26, 43, 86, 113, 149, 226, 298, 559, 1118, 1469, 1937, 2938, 3874, 4859, 6407, 9718, 12814, 16837, 33674, 63167, 83291, 126334, 166582, 218881, 437762, 723991, 1447982, 9411883, 18823766]

約数ペア:

[(1, 18823766), (2, 9411883), (13, 1447982), (26, 723991), (43, 437762), (86, 218881), (113, 166582), (149, 126334), (226, 83291), (298, 63167), (559, 33674), (1118, 16837), (1469, 12814), (1937, 9718), (2938, 6407), (3874, 4859)]