18866862

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{21391}}^1$

素因数の和:21413

約数の個数: 36

約数和(自身を含む): 47554416

約数和(自身を除く): 28687554

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 21391, 42782, 64173, 128346, 149737, 192519, 299474, 385038, 449211, 898422, 1048159, 1347633, 2096318, 2695266, 3144477, 6288954, 9433431, 18866862]

約数ペア:

[(1, 18866862), (2, 9433431), (3, 6288954), (6, 3144477), (7, 2695266), (9, 2096318), (14, 1347633), (18, 1048159), (21, 898422), (42, 449211), (49, 385038), (63, 299474), (98, 192519), (126, 149737), (147, 128346), (294, 64173), (441, 42782), (882, 21391)]