18478392

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{20809}}^1$

素因数の和:20855

約数の個数: 32

約数和(自身を含む): 47446800

約数和(自身を除く): 28968408

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 20809, 41618, 62427, 83236, 124854, 166472, 249708, 499416, 769933, 1539866, 2309799, 3079732, 4619598, 6159464, 9239196, 18478392]

約数ペア:

[(1, 18478392), (2, 9239196), (3, 6159464), (4, 4619598), (6, 3079732), (8, 2309799), (12, 1539866), (24, 769933), (37, 499416), (74, 249708), (111, 166472), (148, 124854), (222, 83236), (296, 62427), (444, 41618), (888, 20809)]