18358864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{461}}^1$

素因数の和:619

約数の個数: 40

約数和(自身を含む): 37810080

約数和(自身を除く): 19451216

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 131, 152, 262, 304, 461, 524, 922, 1048, 1844, 2096, 2489, 3688, 4978, 7376, 8759, 9956, 17518, 19912, 35036, 39824, 60391, 70072, 120782, 140144, 241564, 483128, 966256, 1147429, 2294858, 4589716, 9179432, 18358864]

約数ペア:

[(1, 18358864), (2, 9179432), (4, 4589716), (8, 2294858), (16, 1147429), (19, 966256), (38, 483128), (76, 241564), (131, 140144), (152, 120782), (262, 70072), (304, 60391), (461, 39824), (524, 35036), (922, 19912), (1048, 17518), (1844, 9956), (2096, 8759), (2489, 7376), (3688, 4978)]