19505820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10487}}^1$

素因数の和:10530

約数の個数: 48

約数和(自身を含む): 56383488

約数和(自身を除く): 36877668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10487, 20974, 31461, 41948, 52435, 62922, 104870, 125844, 157305, 209740, 314610, 325097, 629220, 650194, 975291, 1300388, 1625485, 1950582, 3250970, 3901164, 4876455, 6501940, 9752910, 19505820]

約数ペア:

[(1, 19505820), (2, 9752910), (3, 6501940), (4, 4876455), (5, 3901164), (6, 3250970), (10, 1950582), (12, 1625485), (15, 1300388), (20, 975291), (30, 650194), (31, 629220), (60, 325097), (62, 314610), (93, 209740), (124, 157305), (155, 125844), (186, 104870), (310, 62922), (372, 52435), (465, 41948), (620, 31461), (930, 20974), (1860, 10487)]