19863837

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1091}}^1$

素因数の和:1138

約数の個数: 36

約数和(自身を含む): 34865376

約数和(自身を除く): 15001539

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 289, 357, 867, 1071, 1091, 2023, 2601, 3273, 6069, 7637, 9819, 18207, 18547, 22911, 55641, 68733, 129829, 166923, 315299, 389487, 945897, 1168461, 2207093, 2837691, 6621279, 19863837]

約数ペア:

[(1, 19863837), (3, 6621279), (7, 2837691), (9, 2207093), (17, 1168461), (21, 945897), (51, 389487), (63, 315299), (119, 166923), (153, 129829), (289, 68733), (357, 55641), (867, 22911), (1071, 18547), (1091, 18207), (2023, 9819), (2601, 7637), (3273, 6069)]