19571839

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1439}}^1$

素因数の和:1542

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 3928961

約数列:

[1, 7, 29, 67, 203, 469, 1439, 1943, 10073, 13601, 41731, 96413, 292117, 674891, 2795977, 19571839]

約数ペア:

[(1, 19571839), (7, 2795977), (29, 674891), (67, 292117), (203, 96413), (469, 41731), (1439, 13601), (1943, 10073)]