18770284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4349}}^1$

素因数の和:4449

約数の個数: 24

約数和(自身を含む): 35809200

約数和(自身を除く): 17038916

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 4349, 8698, 17396, 56537, 113074, 226148, 360967, 721934, 1443868, 4692571, 9385142, 18770284]

約数ペア:

[(1, 18770284), (2, 9385142), (4, 4692571), (13, 1443868), (26, 721934), (52, 360967), (83, 226148), (166, 113074), (332, 56537), (1079, 17396), (2158, 8698), (4316, 4349)]