19898054

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 14696506

約数列:

[1, 2, 11, 19, 22, 38, 181, 209, 263, 362, 418, 526, 1991, 2893, 3439, 3982, 4997, 5786, 6878, 9994, 37829, 47603, 54967, 75658, 95206, 109934, 523633, 904457, 1047266, 1808914, 9949027, 19898054]

約数ペア:

[(1, 19898054), (2, 9949027), (11, 1808914), (19, 1047266), (22, 904457), (38, 523633), (181, 109934), (209, 95206), (263, 75658), (362, 54967), (418, 47603), (526, 37829), (1991, 9994), (2893, 6878), (3439, 5786), (3982, 4997)]