19873077

素因数分解:

$3^1\times 7^4\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 40

約数和(自身を含む): 32267520

約数和(自身を除く): 12394443

約数列:

[1, 3, 7, 21, 31, 49, 89, 93, 147, 217, 267, 343, 623, 651, 1029, 1519, 1869, 2401, 2759, 4361, 4557, 7203, 8277, 10633, 13083, 19313, 30527, 31899, 57939, 74431, 91581, 135191, 213689, 223293, 405573, 641067, 946337, 2839011, 6624359, 19873077]

約数ペア:

[(1, 19873077), (3, 6624359), (7, 2839011), (21, 946337), (31, 641067), (49, 405573), (89, 223293), (93, 213689), (147, 135191), (217, 91581), (267, 74431), (343, 57939), (623, 31899), (651, 30527), (1029, 19313), (1519, 13083), (1869, 10633), (2401, 8277), (2759, 7203), (4361, 4557)]