17890438

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:460

約数の個数: 24

約数和(自身を含む): 28803600

約数和(自身を除く): 10913162

約数列:

[1, 2, 19, 38, 71, 142, 349, 361, 698, 722, 1349, 2698, 6631, 13262, 24779, 25631, 49558, 51262, 125989, 251978, 470801, 941602, 8945219, 17890438]

約数ペア:

[(1, 17890438), (2, 8945219), (19, 941602), (38, 470801), (71, 251978), (142, 125989), (349, 51262), (361, 49558), (698, 25631), (722, 24779), (1349, 13262), (2698, 6631)]