18088120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19661}}^1$

素因数の和:19695

約数の個数: 32

約数和(自身を含む): 42469920

約数和(自身を除く): 24381800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19661, 39322, 78644, 98305, 157288, 196610, 393220, 452203, 786440, 904406, 1808812, 2261015, 3617624, 4522030, 9044060, 18088120]

約数ペア:

[(1, 18088120), (2, 9044060), (4, 4522030), (5, 3617624), (8, 2261015), (10, 1808812), (20, 904406), (23, 786440), (40, 452203), (46, 393220), (92, 196610), (115, 157288), (184, 98305), (230, 78644), (460, 39322), (920, 19661)]