18973941

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12377}}^1$

素因数の和:12460

約数の個数: 16

約数和(自身を含む): 29311104

約数和(自身を除く): 10337163

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 12377, 37131, 86639, 259917, 903521, 2710563, 6324647, 18973941]

約数ペア:

[(1, 18973941), (3, 6324647), (7, 2710563), (21, 903521), (73, 259917), (219, 86639), (511, 37131), (1533, 12377)]