18839372

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 33578160

約数和(自身を除く): 14738788

約数列:

[1, 2, 4, 131, 157, 229, 262, 314, 458, 524, 628, 916, 20567, 29999, 35953, 41134, 59998, 71906, 82268, 119996, 143812, 4709843, 9419686, 18839372]

約数ペア:

[(1, 18839372), (2, 9419686), (4, 4709843), (131, 143812), (157, 119996), (229, 82268), (262, 71906), (314, 59998), (458, 41134), (524, 35953), (628, 29999), (916, 20567)]