18716908

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9157}}^1$

素因数の和:9241

約数の個数: 24

約数和(自身を含む): 37950752

約数和(自身を除く): 19233844

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 9157, 18314, 36628, 64099, 128198, 256396, 668461, 1336922, 2673844, 4679227, 9358454, 18716908]

約数ペア:

[(1, 18716908), (2, 9358454), (4, 4679227), (7, 2673844), (14, 1336922), (28, 668461), (73, 256396), (146, 128198), (292, 64099), (511, 36628), (1022, 18314), (2044, 9157)]