18689704

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{212383}}^1$

素因数の和:212400

約数の個数: 16

約数和(自身を含む): 38229120

約数和(自身を除く): 19539416

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 212383, 424766, 849532, 1699064, 2336213, 4672426, 9344852, 18689704]

約数ペア:

[(1, 18689704), (2, 9344852), (4, 4672426), (8, 2336213), (11, 1699064), (22, 849532), (44, 424766), (88, 212383)]