18846140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 22522180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 113, 124, 155, 226, 269, 310, 452, 538, 565, 620, 1076, 1130, 1345, 2260, 2690, 3503, 5380, 7006, 8339, 14012, 16678, 17515, 30397, 33356, 35030, 41695, 60794, 70060, 83390, 121588, 151985, 166780, 303970, 607940, 942307, 1884614, 3769228, 4711535, 9423070, 18846140]

約数ペア:

[(1, 18846140), (2, 9423070), (4, 4711535), (5, 3769228), (10, 1884614), (20, 942307), (31, 607940), (62, 303970), (113, 166780), (124, 151985), (155, 121588), (226, 83390), (269, 70060), (310, 60794), (452, 41695), (538, 35030), (565, 33356), (620, 30397), (1076, 17515), (1130, 16678), (1345, 14012), (2260, 8339), (2690, 7006), (3503, 5380)]