19723893

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{55249}}^1$

素因数の和:55276

約数の個数: 16

約数和(自身を含む): 31824000

約数和(自身を除く): 12100107

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 55249, 165747, 386743, 939233, 1160229, 2817699, 6574631, 19723893]

約数ペア:

[(1, 19723893), (3, 6574631), (7, 2817699), (17, 1160229), (21, 939233), (51, 386743), (119, 165747), (357, 55249)]