18389120

素因数分解:

$2^7\times 5^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 44798400

約数和(自身を除く): 26409280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 295, 320, 472, 487, 590, 640, 944, 974, 1180, 1888, 1948, 2360, 2435, 3776, 3896, 4720, 4870, 7552, 7792, 9440, 9740, 15584, 18880, 19480, 28733, 31168, 37760, 38960, 57466, 62336, 77920, 114932, 143665, 155840, 229864, 287330, 311680, 459728, 574660, 919456, 1149320, 1838912, 2298640, 3677824, 4597280, 9194560, 18389120]

約数ペア:

[(1, 18389120), (2, 9194560), (4, 4597280), (5, 3677824), (8, 2298640), (10, 1838912), (16, 1149320), (20, 919456), (32, 574660), (40, 459728), (59, 311680), (64, 287330), (80, 229864), (118, 155840), (128, 143665), (160, 114932), (236, 77920), (295, 62336), (320, 57466), (472, 38960), (487, 37760), (590, 31168), (640, 28733), (944, 19480), (974, 18880), (1180, 15584), (1888, 9740), (1948, 9440), (2360, 7792), (2435, 7552), (3776, 4870), (3896, 4720)]