18201195

素因数分解:

$3^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{641}}^1$

素因数の和:1283

約数の個数: 24

約数和(自身を含む): 31648032

約数和(自身を除く): 13446837

約数列:

[1, 3, 5, 9, 15, 45, 631, 641, 1893, 1923, 3155, 3205, 5679, 5769, 9465, 9615, 28395, 28845, 404471, 1213413, 2022355, 3640239, 6067065, 18201195]

約数ペア:

[(1, 18201195), (3, 6067065), (5, 3640239), (9, 2022355), (15, 1213413), (45, 404471), (631, 28845), (641, 28395), (1893, 9615), (1923, 9465), (3155, 5769), (3205, 5679)]