18348520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4729}}^1$

素因数の和:4837

約数の個数: 32

約数和(自身を含む): 41718600

約数和(自身を除く): 23370080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 4729, 9458, 18916, 23645, 37832, 47290, 94580, 189160, 458713, 917426, 1834852, 2293565, 3669704, 4587130, 9174260, 18348520]

約数ペア:

[(1, 18348520), (2, 9174260), (4, 4587130), (5, 3669704), (8, 2293565), (10, 1834852), (20, 917426), (40, 458713), (97, 189160), (194, 94580), (388, 47290), (485, 37832), (776, 23645), (970, 18916), (1940, 9458), (3880, 4729)]