17937198620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{386411}}^1$

素因数の和:386642

約数の個数: 48

約数和(自身を含む): 41287349376

約数和(自身を除く): 23350150756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 422, 844, 1055, 2110, 2321, 4220, 4642, 9284, 11605, 23210, 46420, 386411, 772822, 1545644, 1932055, 3864110, 4250521, 7728220, 8501042, 17002084, 21252605, 42505210, 81532721, 85010420, 163065442, 326130884, 407663605, 815327210, 896859931, 1630654420, 1793719862, 3587439724, 4484299655, 8968599310, 17937198620]

約数ペア:

[(1, 17937198620), (2, 8968599310), (4, 4484299655), (5, 3587439724), (10, 1793719862), (11, 1630654420), (20, 896859931), (22, 815327210), (44, 407663605), (55, 326130884), (110, 163065442), (211, 85010420), (220, 81532721), (422, 42505210), (844, 21252605), (1055, 17002084), (2110, 8501042), (2321, 7728220), (4220, 4250521), (4642, 3864110), (9284, 1932055), (11605, 1545644), (23210, 772822), (46420, 386411)]