21888016

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{36973}}^1$

素因数の和:37018

約数の個数: 20

約数和(自身を含む): 43555372

約数和(自身を除く): 21667356

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 36973, 73946, 147892, 295784, 591568, 1368001, 2736002, 5472004, 10944008, 21888016]

約数ペア:

[(1, 21888016), (2, 10944008), (4, 5472004), (8, 2736002), (16, 1368001), (37, 591568), (74, 295784), (148, 147892), (296, 73946), (592, 36973)]