18610984

素因数分解:

$2^3\times 7^2\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 40968180

約数和(自身を除く): 22357196

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 197, 241, 392, 394, 482, 788, 964, 1379, 1576, 1687, 1928, 2758, 3374, 5516, 6748, 9653, 11032, 11809, 13496, 19306, 23618, 38612, 47236, 47477, 77224, 94472, 94954, 189908, 332339, 379816, 664678, 1329356, 2326373, 2658712, 4652746, 9305492, 18610984]

約数ペア:

[(1, 18610984), (2, 9305492), (4, 4652746), (7, 2658712), (8, 2326373), (14, 1329356), (28, 664678), (49, 379816), (56, 332339), (98, 189908), (196, 94954), (197, 94472), (241, 77224), (392, 47477), (394, 47236), (482, 38612), (788, 23618), (964, 19306), (1379, 13496), (1576, 11809), (1687, 11032), (1928, 9653), (2758, 6748), (3374, 5516)]