18855320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42853}}^1$

素因数の和:42875

約数の個数: 32

約数和(自身を含む): 46282320

約数和(自身を除く): 27427000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42853, 85706, 171412, 214265, 342824, 428530, 471383, 857060, 942766, 1714120, 1885532, 2356915, 3771064, 4713830, 9427660, 18855320]

約数ペア:

[(1, 18855320), (2, 9427660), (4, 4713830), (5, 3771064), (8, 2356915), (10, 1885532), (11, 1714120), (20, 942766), (22, 857060), (40, 471383), (44, 428530), (55, 342824), (88, 214265), (110, 171412), (220, 85706), (440, 42853)]