16413340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 37094400

約数和(自身を除く): 20681060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 380, 470, 893, 919, 940, 1786, 1838, 3572, 3676, 4465, 4595, 8930, 9190, 17461, 17860, 18380, 34922, 43193, 69844, 86386, 87305, 172772, 174610, 215965, 349220, 431930, 820667, 863860, 1641334, 3282668, 4103335, 8206670, 16413340]

約数ペア:

[(1, 16413340), (2, 8206670), (4, 4103335), (5, 3282668), (10, 1641334), (19, 863860), (20, 820667), (38, 431930), (47, 349220), (76, 215965), (94, 174610), (95, 172772), (188, 87305), (190, 86386), (235, 69844), (380, 43193), (470, 34922), (893, 18380), (919, 17860), (940, 17461), (1786, 9190), (1838, 8930), (3572, 4595), (3676, 4465)]