19517724

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{17489}}^1$

素因数の和:17530

約数の個数: 36

約数和(自身を含む): 50930880

約数和(自身を除く): 31413156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 17489, 34978, 52467, 69956, 104934, 157401, 209868, 314802, 542159, 629604, 1084318, 1626477, 2168636, 3252954, 4879431, 6505908, 9758862, 19517724]

約数ペア:

[(1, 19517724), (2, 9758862), (3, 6505908), (4, 4879431), (6, 3252954), (9, 2168636), (12, 1626477), (18, 1084318), (31, 629604), (36, 542159), (62, 314802), (93, 209868), (124, 157401), (186, 104934), (279, 69956), (372, 52467), (558, 34978), (1116, 17489)]