19912808

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{67273}}^1$

素因数の和:67316

約数の個数: 16

約数和(自身を含む): 38346180

約数和(自身を除く): 18433372

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 67273, 134546, 269092, 538184, 2489101, 4978202, 9956404, 19912808]

約数ペア:

[(1, 19912808), (2, 9956404), (4, 4978202), (8, 2489101), (37, 538184), (74, 269092), (148, 134546), (296, 67273)]