18587524

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2039}}^1$

素因数の和:2139

約数の個数: 24

約数和(自身を含む): 33929280

約数和(自身を除く): 15341756

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 2039, 2279, 4078, 4558, 8156, 9116, 87677, 108067, 175354, 216134, 350708, 432268, 4646881, 9293762, 18587524]

約数ペア:

[(1, 18587524), (2, 9293762), (4, 4646881), (43, 432268), (53, 350708), (86, 216134), (106, 175354), (172, 108067), (212, 87677), (2039, 9116), (2279, 8156), (4078, 4558)]