18463856

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:669

約数の個数: 40

約数和(自身を含む): 37449984

約数和(自身を除く): 18986128

約数列:

[1, 2, 4, 8, 16, 43, 47, 86, 94, 172, 188, 344, 376, 571, 688, 752, 1142, 2021, 2284, 4042, 4568, 8084, 9136, 16168, 24553, 26837, 32336, 49106, 53674, 98212, 107348, 196424, 214696, 392848, 429392, 1153991, 2307982, 4615964, 9231928, 18463856]

約数ペア:

[(1, 18463856), (2, 9231928), (4, 4615964), (8, 2307982), (16, 1153991), (43, 429392), (47, 392848), (86, 214696), (94, 196424), (172, 107348), (188, 98212), (344, 53674), (376, 49106), (571, 32336), (688, 26837), (752, 24553), (1142, 16168), (2021, 9136), (2284, 8084), (4042, 4568)]