18797872

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{19913}}^1$

素因数の和:19980

約数の個数: 20

約数和(自身を含む): 37040040

約数和(自身を除く): 18242168

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 19913, 39826, 79652, 159304, 318608, 1174867, 2349734, 4699468, 9398936, 18797872]

約数ペア:

[(1, 18797872), (2, 9398936), (4, 4699468), (8, 2349734), (16, 1174867), (59, 318608), (118, 159304), (236, 79652), (472, 39826), (944, 19913)]