18720254

素因数分解:

$2^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{941}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 33912000

約数和(自身を除く): 15191746

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 343, 406, 686, 941, 1421, 1882, 2842, 6587, 9947, 13174, 19894, 27289, 46109, 54578, 92218, 191023, 322763, 382046, 645526, 1337161, 2674322, 9360127, 18720254]

約数ペア:

[(1, 18720254), (2, 9360127), (7, 2674322), (14, 1337161), (29, 645526), (49, 382046), (58, 322763), (98, 191023), (203, 92218), (343, 54578), (406, 46109), (686, 27289), (941, 19894), (1421, 13174), (1882, 9947), (2842, 6587)]