18936926

素因数分解:

$2^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:643

約数の個数: 16

約数和(自身を含む): 28814400

約数和(自身を除く): 9877474

約数列:

[1, 2, 173, 229, 239, 346, 458, 478, 39617, 41347, 54731, 79234, 82694, 109462, 9468463, 18936926]

約数ペア:

[(1, 18936926), (2, 9468463), (173, 109462), (229, 82694), (239, 79234), (346, 54731), (458, 41347), (478, 39617)]