18758116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1993}}^1$

素因数の和:2191

約数の個数: 24

約数和(自身を含む): 35564984

約数和(自身を除く): 16806868

約数列:

[1, 2, 4, 13, 26, 52, 181, 362, 724, 1993, 2353, 3986, 4706, 7972, 9412, 25909, 51818, 103636, 360733, 721466, 1442932, 4689529, 9379058, 18758116]

約数ペア:

[(1, 18758116), (2, 9379058), (4, 4689529), (13, 1442932), (26, 721466), (52, 360733), (181, 103636), (362, 51818), (724, 25909), (1993, 9412), (2353, 7972), (3986, 4706)]