18878230

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{653}}^1$

素因数の和:733

約数の個数: 48

約数和(自身を含む): 40260240

約数和(自身を除く): 21382010

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 59, 70, 98, 118, 245, 295, 413, 490, 590, 653, 826, 1306, 2065, 2891, 3265, 4130, 4571, 5782, 6530, 9142, 14455, 22855, 28910, 31997, 38527, 45710, 63994, 77054, 159985, 192635, 269689, 319970, 385270, 539378, 1348445, 1887823, 2696890, 3775646, 9439115, 18878230]

約数ペア:

[(1, 18878230), (2, 9439115), (5, 3775646), (7, 2696890), (10, 1887823), (14, 1348445), (35, 539378), (49, 385270), (59, 319970), (70, 269689), (98, 192635), (118, 159985), (245, 77054), (295, 63994), (413, 45710), (490, 38527), (590, 31997), (653, 28910), (826, 22855), (1306, 14455), (2065, 9142), (2891, 6530), (3265, 5782), (4130, 4571)]