18520016

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{11933}}^1$

素因数の和:12038

約数の個数: 20

約数和(自身を含む): 36255492

約数和(自身を除く): 17735476

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 11933, 23866, 47732, 95464, 190928, 1157501, 2315002, 4630004, 9260008, 18520016]

約数ペア:

[(1, 18520016), (2, 9260008), (4, 4630004), (8, 2315002), (16, 1157501), (97, 190928), (194, 95464), (388, 47732), (776, 23866), (1552, 11933)]