19837168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{337}}^1$

素因数の和:641

約数の個数: 40

約数和(自身を含む): 41660528

約数和(自身を除く): 21823360

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 283, 337, 566, 674, 1132, 1348, 2264, 2696, 3679, 4381, 4528, 5392, 7358, 8762, 14716, 17524, 29432, 35048, 58864, 70096, 95371, 190742, 381484, 762968, 1239823, 1525936, 2479646, 4959292, 9918584, 19837168]

約数ペア:

[(1, 19837168), (2, 9918584), (4, 4959292), (8, 2479646), (13, 1525936), (16, 1239823), (26, 762968), (52, 381484), (104, 190742), (208, 95371), (283, 70096), (337, 58864), (566, 35048), (674, 29432), (1132, 17524), (1348, 14716), (2264, 8762), (2696, 7358), (3679, 5392), (4381, 4528)]