18772468220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1080119}}^1$

素因数の和:1080218

約数の個数: 48

約数和(自身を含む): 43550438400

約数和(自身を除く): 24777970180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 17380, 1080119, 2160238, 4320476, 5400595, 10801190, 11881309, 21602380, 23762618, 47525236, 59406545, 85329401, 118813090, 170658802, 237626180, 341317604, 426647005, 853294010, 938623411, 1706588020, 1877246822, 3754493644, 4693117055, 9386234110, 18772468220]

約数ペア:

[(1, 18772468220), (2, 9386234110), (4, 4693117055), (5, 3754493644), (10, 1877246822), (11, 1706588020), (20, 938623411), (22, 853294010), (44, 426647005), (55, 341317604), (79, 237626180), (110, 170658802), (158, 118813090), (220, 85329401), (316, 59406545), (395, 47525236), (790, 23762618), (869, 21602380), (1580, 11881309), (1738, 10801190), (3476, 5400595), (4345, 4320476), (8690, 2160238), (17380, 1080119)]