18789908

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:587

約数の個数: 24

約数和(自身を含む): 33597480

約数和(自身を除く): 14807572

約数列:

[1, 2, 4, 73, 146, 229, 281, 292, 458, 562, 916, 1124, 16717, 20513, 33434, 41026, 64349, 66868, 82052, 128698, 257396, 4697477, 9394954, 18789908]

約数ペア:

[(1, 18789908), (2, 9394954), (4, 4697477), (73, 257396), (146, 128698), (229, 82052), (281, 66868), (292, 64349), (458, 41026), (562, 33434), (916, 20513), (1124, 16717)]