19641818

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{19219}}^1$

素因数の和:19301

約数の個数: 16

約数和(自身を含む): 34134720

約数和(自身を除く): 14492902

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 19219, 38438, 134533, 269066, 1402987, 2805974, 9820909, 19641818]

約数ペア:

[(1, 19641818), (2, 9820909), (7, 2805974), (14, 1402987), (73, 269066), (146, 134533), (511, 38438), (1022, 19219)]