19508468

素因数分解:

$2^2\times 7^3\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:325

約数の個数: 48

約数和(自身を含む): 40656000

約数和(自身を除く): 21147532

約数列:

[1, 2, 4, 7, 14, 28, 49, 59, 98, 118, 196, 236, 241, 343, 413, 482, 686, 826, 964, 1372, 1652, 1687, 2891, 3374, 5782, 6748, 11564, 11809, 14219, 20237, 23618, 28438, 40474, 47236, 56876, 80948, 82663, 99533, 165326, 199066, 330652, 398132, 696731, 1393462, 2786924, 4877117, 9754234, 19508468]

約数ペア:

[(1, 19508468), (2, 9754234), (4, 4877117), (7, 2786924), (14, 1393462), (28, 696731), (49, 398132), (59, 330652), (98, 199066), (118, 165326), (196, 99533), (236, 82663), (241, 80948), (343, 56876), (413, 47236), (482, 40474), (686, 28438), (826, 23618), (964, 20237), (1372, 14219), (1652, 11809), (1687, 11564), (2891, 6748), (3374, 5782)]