19219256

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11071}}^1$

素因数の和:11115

約数の個数: 32

約数和(自身を含む): 42516480

約数和(自身を除く): 23297224

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11071, 22142, 44284, 77497, 88568, 154994, 309988, 343201, 619976, 686402, 1372804, 2402407, 2745608, 4804814, 9609628, 19219256]

約数ペア:

[(1, 19219256), (2, 9609628), (4, 4804814), (7, 2745608), (8, 2402407), (14, 1372804), (28, 686402), (31, 619976), (56, 343201), (62, 309988), (124, 154994), (217, 88568), (248, 77497), (434, 44284), (868, 22142), (1736, 11071)]