18781590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1307}}^1$

素因数の和:1796

約数の個数: 32

約数和(自身を含む): 45204480

約数和(自身を除く): 26422890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 479, 958, 1307, 1437, 2395, 2614, 2874, 3921, 4790, 6535, 7185, 7842, 13070, 14370, 19605, 39210, 626053, 1252106, 1878159, 3130265, 3756318, 6260530, 9390795, 18781590]

約数ペア:

[(1, 18781590), (2, 9390795), (3, 6260530), (5, 3756318), (6, 3130265), (10, 1878159), (15, 1252106), (30, 626053), (479, 39210), (958, 19605), (1307, 14370), (1437, 13070), (2395, 7842), (2614, 7185), (2874, 6535), (3921, 4790)]