19309664

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{4987}}^1$

素因数の和:5019

約数の個数: 36

約数和(自身を含む): 41794452

約数和(自身を除く): 22484788

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 4987, 9974, 19948, 39896, 54857, 79792, 109714, 159584, 219428, 438856, 603427, 877712, 1206854, 1755424, 2413708, 4827416, 9654832, 19309664]

約数ペア:

[(1, 19309664), (2, 9654832), (4, 4827416), (8, 2413708), (11, 1755424), (16, 1206854), (22, 877712), (32, 603427), (44, 438856), (88, 219428), (121, 159584), (176, 109714), (242, 79792), (352, 54857), (484, 39896), (968, 19948), (1936, 9974), (3872, 4987)]