18312112

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12577}}^1$

素因数の和:12605

約数の個数: 40

約数和(自身を含む): 43670816

約数和(自身を除く): 25358704

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 12577, 25154, 50308, 88039, 100616, 163501, 176078, 201232, 327002, 352156, 654004, 704312, 1144507, 1308008, 1408624, 2289014, 2616016, 4578028, 9156056, 18312112]

約数ペア:

[(1, 18312112), (2, 9156056), (4, 4578028), (7, 2616016), (8, 2289014), (13, 1408624), (14, 1308008), (16, 1144507), (26, 704312), (28, 654004), (52, 352156), (56, 327002), (91, 201232), (104, 176078), (112, 163501), (182, 100616), (208, 88039), (364, 50308), (728, 25154), (1456, 12577)]