19912624

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{7927}}^1$

素因数の和:8092

約数の個数: 20

約数和(自身を含む): 38831344

約数和(自身を除く): 18918720

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 7927, 15854, 31708, 63416, 126832, 1244539, 2489078, 4978156, 9956312, 19912624]

約数ペア:

[(1, 19912624), (2, 9956312), (4, 4978156), (8, 2489078), (16, 1244539), (157, 126832), (314, 63416), (628, 31708), (1256, 15854), (2512, 7927)]