19307688

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 50466240

約数和(自身を除く): 31158552

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 53, 86, 106, 129, 159, 172, 212, 258, 318, 344, 353, 424, 516, 636, 706, 1032, 1059, 1272, 1412, 2118, 2279, 2824, 4236, 4558, 6837, 8472, 9116, 13674, 15179, 18232, 18709, 27348, 30358, 37418, 45537, 54696, 56127, 60716, 74836, 91074, 112254, 121432, 149672, 182148, 224508, 364296, 449016, 804487, 1608974, 2413461, 3217948, 4826922, 6435896, 9653844, 19307688]

約数ペア:

[(1, 19307688), (2, 9653844), (3, 6435896), (4, 4826922), (6, 3217948), (8, 2413461), (12, 1608974), (24, 804487), (43, 449016), (53, 364296), (86, 224508), (106, 182148), (129, 149672), (159, 121432), (172, 112254), (212, 91074), (258, 74836), (318, 60716), (344, 56127), (353, 54696), (424, 45537), (516, 37418), (636, 30358), (706, 27348), (1032, 18709), (1059, 18232), (1272, 15179), (1412, 13674), (2118, 9116), (2279, 8472), (2824, 6837), (4236, 4558)]