18538036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{193}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 37154880

約数和(自身を除く): 18616844

約数列:

[1, 2, 4, 11, 22, 37, 44, 59, 74, 118, 148, 193, 236, 386, 407, 649, 772, 814, 1298, 1628, 2123, 2183, 2596, 4246, 4366, 7141, 8492, 8732, 11387, 14282, 22774, 24013, 28564, 45548, 48026, 78551, 96052, 125257, 157102, 250514, 314204, 421319, 501028, 842638, 1685276, 4634509, 9269018, 18538036]

約数ペア:

[(1, 18538036), (2, 9269018), (4, 4634509), (11, 1685276), (22, 842638), (37, 501028), (44, 421319), (59, 314204), (74, 250514), (118, 157102), (148, 125257), (193, 96052), (236, 78551), (386, 48026), (407, 45548), (649, 28564), (772, 24013), (814, 22774), (1298, 14282), (1628, 11387), (2123, 8732), (2183, 8492), (2596, 7141), (4246, 4366)]