19811334

素因数分解:

$2^1\times 3^1\times {\mathrm{349}}^1\times {\mathrm{9461}}^1$

素因数の和:9815

約数の個数: 16

約数和(自身を含む): 39740400

約数和(自身を除く): 19929066

約数列:

[1, 2, 3, 6, 349, 698, 1047, 2094, 9461, 18922, 28383, 56766, 3301889, 6603778, 9905667, 19811334]

約数ペア:

[(1, 19811334), (2, 9905667), (3, 6603778), (6, 3301889), (349, 56766), (698, 28383), (1047, 18922), (2094, 9461)]