17879056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1999}}^1$

素因数の和:2063

約数の個数: 40

約数和(自身を含む): 38192000

約数和(自身を除く): 20312944

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 1999, 2236, 3998, 4472, 7996, 8944, 15992, 25987, 31984, 51974, 85957, 103948, 171914, 207896, 343828, 415792, 687656, 1117441, 1375312, 2234882, 4469764, 8939528, 17879056]

約数ペア:

[(1, 17879056), (2, 8939528), (4, 4469764), (8, 2234882), (13, 1375312), (16, 1117441), (26, 687656), (43, 415792), (52, 343828), (86, 207896), (104, 171914), (172, 103948), (208, 85957), (344, 51974), (559, 31984), (688, 25987), (1118, 15992), (1999, 8944), (2236, 7996), (3998, 4472)]