18929902

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1\times {\mathrm{607}}^1$

素因数の和:1143

約数の個数: 16

約数和(自身を含む): 29417472

約数和(自身を除く): 10487570

約数列:

[1, 2, 31, 62, 503, 607, 1006, 1214, 15593, 18817, 31186, 37634, 305321, 610642, 9464951, 18929902]

約数ペア:

[(1, 18929902), (2, 9464951), (31, 610642), (62, 305321), (503, 37634), (607, 31186), (1006, 18817), (1214, 15593)]