18353916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:611

約数の個数: 72

約数和(自身を含む): 53455584

約数和(自身を除く): 35101668

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 173, 252, 346, 421, 519, 692, 842, 1038, 1211, 1263, 1557, 1684, 2076, 2422, 2526, 2947, 3114, 3633, 3789, 4844, 5052, 5894, 6228, 7266, 7578, 8841, 10899, 11788, 14532, 15156, 17682, 21798, 26523, 35364, 43596, 53046, 72833, 106092, 145666, 218499, 291332, 436998, 509831, 655497, 873996, 1019662, 1310994, 1529493, 2039324, 2621988, 3058986, 4588479, 6117972, 9176958, 18353916]

約数ペア:

[(1, 18353916), (2, 9176958), (3, 6117972), (4, 4588479), (6, 3058986), (7, 2621988), (9, 2039324), (12, 1529493), (14, 1310994), (18, 1019662), (21, 873996), (28, 655497), (36, 509831), (42, 436998), (63, 291332), (84, 218499), (126, 145666), (173, 106092), (252, 72833), (346, 53046), (421, 43596), (519, 35364), (692, 26523), (842, 21798), (1038, 17682), (1211, 15156), (1263, 14532), (1557, 11788), (1684, 10899), (2076, 8841), (2422, 7578), (2526, 7266), (2947, 6228), (3114, 5894), (3633, 5052), (3789, 4844)]