18386838

素因数分解:

$2^1\times 3^6\times {\mathrm{12611}}^1$

素因数の和:12631

約数の個数: 28

約数和(自身を含む): 41354748

約数和(自身を除く): 22967910

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 12611, 25222, 37833, 75666, 113499, 226998, 340497, 680994, 1021491, 2042982, 3064473, 6128946, 9193419, 18386838]

約数ペア:

[(1, 18386838), (2, 9193419), (3, 6128946), (6, 3064473), (9, 2042982), (18, 1021491), (27, 680994), (54, 340497), (81, 226998), (162, 113499), (243, 75666), (486, 37833), (729, 25222), (1458, 12611)]