19454080

素因数分解:

$2^7\times 5^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 47093400

約数和(自身を除く): 27639320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 269, 320, 452, 538, 565, 640, 904, 1076, 1130, 1345, 1808, 2152, 2260, 2690, 3616, 4304, 4520, 5380, 7232, 8608, 9040, 10760, 14464, 17216, 18080, 21520, 30397, 34432, 36160, 43040, 60794, 72320, 86080, 121588, 151985, 172160, 243176, 303970, 486352, 607940, 972704, 1215880, 1945408, 2431760, 3890816, 4863520, 9727040, 19454080]

約数ペア:

[(1, 19454080), (2, 9727040), (4, 4863520), (5, 3890816), (8, 2431760), (10, 1945408), (16, 1215880), (20, 972704), (32, 607940), (40, 486352), (64, 303970), (80, 243176), (113, 172160), (128, 151985), (160, 121588), (226, 86080), (269, 72320), (320, 60794), (452, 43040), (538, 36160), (565, 34432), (640, 30397), (904, 21520), (1076, 18080), (1130, 17216), (1345, 14464), (1808, 10760), (2152, 9040), (2260, 8608), (2690, 7232), (3616, 5380), (4304, 4520)]