19808842

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:462

約数の個数: 32

約数和(自身を含む): 33374592

約数和(自身を除く): 13565750

約数列:

[1, 2, 17, 23, 34, 46, 73, 146, 347, 391, 694, 782, 1241, 1679, 2482, 3358, 5899, 7981, 11798, 15962, 25331, 28543, 50662, 57086, 135677, 271354, 430627, 582613, 861254, 1165226, 9904421, 19808842]

約数ペア:

[(1, 19808842), (2, 9904421), (17, 1165226), (23, 861254), (34, 582613), (46, 430627), (73, 271354), (146, 135677), (347, 57086), (391, 50662), (694, 28543), (782, 25331), (1241, 15962), (1679, 11798), (2482, 7981), (3358, 5899)]