18656784

素因数分解:

$2^4\times 3^3\times {\mathrm{19}}^1\times {\mathrm{2273}}^1$

素因数の和:2309

約数の個数: 80

約数和(自身を含む): 56395200

約数和(自身を除く): 37738416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 36, 38, 48, 54, 57, 72, 76, 108, 114, 144, 152, 171, 216, 228, 304, 342, 432, 456, 513, 684, 912, 1026, 1368, 2052, 2273, 2736, 4104, 4546, 6819, 8208, 9092, 13638, 18184, 20457, 27276, 36368, 40914, 43187, 54552, 61371, 81828, 86374, 109104, 122742, 129561, 163656, 172748, 245484, 259122, 327312, 345496, 388683, 490968, 518244, 690992, 777366, 981936, 1036488, 1166049, 1554732, 2072976, 2332098, 3109464, 4664196, 6218928, 9328392, 18656784]

約数ペア:

[(1, 18656784), (2, 9328392), (3, 6218928), (4, 4664196), (6, 3109464), (8, 2332098), (9, 2072976), (12, 1554732), (16, 1166049), (18, 1036488), (19, 981936), (24, 777366), (27, 690992), (36, 518244), (38, 490968), (48, 388683), (54, 345496), (57, 327312), (72, 259122), (76, 245484), (108, 172748), (114, 163656), (144, 129561), (152, 122742), (171, 109104), (216, 86374), (228, 81828), (304, 61371), (342, 54552), (432, 43187), (456, 40914), (513, 36368), (684, 27276), (912, 20457), (1026, 18184), (1368, 13638), (2052, 9092), (2273, 8208), (2736, 6819), (4104, 4546)]