19754539

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{4231}}^1$

素因数の和:4290

約数の個数: 16

約数和(自身を含む): 24376320

約数和(自身を除く): 4621781

約数列:

[1, 7, 23, 29, 161, 203, 667, 4231, 4669, 29617, 97313, 122699, 681191, 858893, 2822077, 19754539]

約数ペア:

[(1, 19754539), (7, 2822077), (23, 858893), (29, 681191), (161, 122699), (203, 97313), (667, 29617), (4231, 4669)]