18843220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{883}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 43662528

約数和(自身を除く): 24819308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 883, 970, 1067, 1766, 1940, 2134, 3532, 4268, 4415, 5335, 8830, 9713, 10670, 17660, 19426, 21340, 38852, 48565, 85651, 97130, 171302, 194260, 342604, 428255, 856510, 942161, 1713020, 1884322, 3768644, 4710805, 9421610, 18843220]

約数ペア:

[(1, 18843220), (2, 9421610), (4, 4710805), (5, 3768644), (10, 1884322), (11, 1713020), (20, 942161), (22, 856510), (44, 428255), (55, 342604), (97, 194260), (110, 171302), (194, 97130), (220, 85651), (388, 48565), (485, 38852), (883, 21340), (970, 19426), (1067, 17660), (1766, 10670), (1940, 9713), (2134, 8830), (3532, 5335), (4268, 4415)]