18214929

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 28617600

約数和(自身を除く): 10402671

約数列:

[1, 3, 9, 27, 29, 43, 87, 129, 261, 387, 541, 783, 1161, 1247, 1623, 3741, 4869, 11223, 14607, 15689, 23263, 33669, 47067, 69789, 141201, 209367, 423603, 628101, 674627, 2023881, 6071643, 18214929]

約数ペア:

[(1, 18214929), (3, 6071643), (9, 2023881), (27, 674627), (29, 628101), (43, 423603), (87, 209367), (129, 141201), (261, 69789), (387, 47067), (541, 33669), (783, 23263), (1161, 15689), (1247, 14607), (1623, 11223), (3741, 4869)]