18986886

素因数分解:

$2^1\times 3^4\times {\mathrm{117203}}^1$

素因数の和:117217

約数の個数: 20

約数和(自身を含む): 42545052

約数和(自身を除く): 23558166

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 117203, 234406, 351609, 703218, 1054827, 2109654, 3164481, 6328962, 9493443, 18986886]

約数ペア:

[(1, 18986886), (2, 9493443), (3, 6328962), (6, 3164481), (9, 2109654), (18, 1054827), (27, 703218), (54, 351609), (81, 234406), (162, 117203)]