18643708

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5477}}^1$

素因数の和:5541

約数の個数: 24

約数和(自身を含む): 34971552

約数和(自身を除く): 16327844

約数列:

[1, 2, 4, 23, 37, 46, 74, 92, 148, 851, 1702, 3404, 5477, 10954, 21908, 125971, 202649, 251942, 405298, 503884, 810596, 4660927, 9321854, 18643708]

約数ペア:

[(1, 18643708), (2, 9321854), (4, 4660927), (23, 810596), (37, 503884), (46, 405298), (74, 251942), (92, 202649), (148, 125971), (851, 21908), (1702, 10954), (3404, 5477)]