1821980168

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{13396913}}^1$

素因数の和:13396936

約数の個数: 16

約数和(自身を含む): 3617166780

約数和(自身を除く): 1795186612

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 13396913, 26793826, 53587652, 107175304, 227747521, 455495042, 910990084, 1821980168]

約数ペア:

[(1, 1821980168), (2, 910990084), (4, 455495042), (8, 227747521), (17, 107175304), (34, 53587652), (68, 26793826), (136, 13396913)]