18821232

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{4507}}^1$

素因数の和:4550

約数の個数: 60

約数和(自身を含む): 54501720

約数和(自身を除く): 35680488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 36, 48, 58, 72, 87, 116, 144, 174, 232, 261, 348, 464, 522, 696, 1044, 1392, 2088, 4176, 4507, 9014, 13521, 18028, 27042, 36056, 40563, 54084, 72112, 81126, 108168, 130703, 162252, 216336, 261406, 324504, 392109, 522812, 649008, 784218, 1045624, 1176327, 1568436, 2091248, 2352654, 3136872, 4705308, 6273744, 9410616, 18821232]

約数ペア:

[(1, 18821232), (2, 9410616), (3, 6273744), (4, 4705308), (6, 3136872), (8, 2352654), (9, 2091248), (12, 1568436), (16, 1176327), (18, 1045624), (24, 784218), (29, 649008), (36, 522812), (48, 392109), (58, 324504), (72, 261406), (87, 216336), (116, 162252), (144, 130703), (174, 108168), (232, 81126), (261, 72112), (348, 54084), (464, 40563), (522, 36056), (696, 27042), (1044, 18028), (1392, 13521), (2088, 9014), (4176, 4507)]