19728085890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{173923}}^1$

素因数の和:174151

約数の個数: 64

約数和(自身を含む): 50090112000

約数和(自身を除く): 30362026110

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 190, 199, 285, 398, 570, 597, 995, 1194, 1990, 2985, 3781, 5970, 7562, 11343, 18905, 22686, 37810, 56715, 113430, 173923, 347846, 521769, 869615, 1043538, 1739230, 2608845, 3304537, 5217690, 6609074, 9913611, 16522685, 19827222, 33045370, 34610677, 49568055, 69221354, 99136110, 103832031, 173053385, 207664062, 346106770, 519160155, 657602863, 1038320310, 1315205726, 1972808589, 3288014315, 3945617178, 6576028630, 9864042945, 19728085890]

約数ペア:

[(1, 19728085890), (2, 9864042945), (3, 6576028630), (5, 3945617178), (6, 3288014315), (10, 1972808589), (15, 1315205726), (19, 1038320310), (30, 657602863), (38, 519160155), (57, 346106770), (95, 207664062), (114, 173053385), (190, 103832031), (199, 99136110), (285, 69221354), (398, 49568055), (570, 34610677), (597, 33045370), (995, 19827222), (1194, 16522685), (1990, 9913611), (2985, 6609074), (3781, 5217690), (5970, 3304537), (7562, 2608845), (11343, 1739230), (18905, 1043538), (22686, 869615), (37810, 521769), (56715, 347846), (113430, 173923)]