18949412

素因数分解:

$2^2\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:236

約数の個数: 36

約数和(自身を含む): 35411376

約数和(自身を除く): 16461964

約数列:

[1, 2, 4, 29, 43, 58, 86, 116, 131, 172, 262, 524, 841, 1247, 1682, 2494, 3364, 3799, 4988, 5633, 7598, 11266, 15196, 22532, 36163, 72326, 110171, 144652, 163357, 220342, 326714, 440684, 653428, 4737353, 9474706, 18949412]

約数ペア:

[(1, 18949412), (2, 9474706), (4, 4737353), (29, 653428), (43, 440684), (58, 326714), (86, 220342), (116, 163357), (131, 144652), (172, 110171), (262, 72326), (524, 36163), (841, 22532), (1247, 15196), (1682, 11266), (2494, 7598), (3364, 5633), (3799, 4988)]