19922816

素因数分解:

$2^7\times {\mathrm{317}}^1\times {\mathrm{491}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 39896280

約数和(自身を除く): 19973464

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 317, 491, 634, 982, 1268, 1964, 2536, 3928, 5072, 7856, 10144, 15712, 20288, 31424, 40576, 62848, 155647, 311294, 622588, 1245176, 2490352, 4980704, 9961408, 19922816]

約数ペア:

[(1, 19922816), (2, 9961408), (4, 4980704), (8, 2490352), (16, 1245176), (32, 622588), (64, 311294), (128, 155647), (317, 62848), (491, 40576), (634, 31424), (982, 20288), (1268, 15712), (1964, 10144), (2536, 7856), (3928, 5072)]