19986552

素因数分解:

$2^3\times 3^2\times {\mathrm{89}}^1\times {\mathrm{3119}}^1$

素因数の和:3220

約数の個数: 48

約数和(自身を含む): 54756000

約数和(自身を除く): 34769448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 89, 178, 267, 356, 534, 712, 801, 1068, 1602, 2136, 3119, 3204, 6238, 6408, 9357, 12476, 18714, 24952, 28071, 37428, 56142, 74856, 112284, 224568, 277591, 555182, 832773, 1110364, 1665546, 2220728, 2498319, 3331092, 4996638, 6662184, 9993276, 19986552]

約数ペア:

[(1, 19986552), (2, 9993276), (3, 6662184), (4, 4996638), (6, 3331092), (8, 2498319), (9, 2220728), (12, 1665546), (18, 1110364), (24, 832773), (36, 555182), (72, 277591), (89, 224568), (178, 112284), (267, 74856), (356, 56142), (534, 37428), (712, 28071), (801, 24952), (1068, 18714), (1602, 12476), (2136, 9357), (3119, 6408), (3204, 6238)]