18494506

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{937}}^1$

素因数の和:1149

約数の個数: 16

約数和(自身を含む): 28365120

約数和(自身を除く): 9870614

約数列:

[1, 2, 71, 139, 142, 278, 937, 1874, 9869, 19738, 66527, 130243, 133054, 260486, 9247253, 18494506]

約数ペア:

[(1, 18494506), (2, 9247253), (71, 260486), (139, 133054), (142, 130243), (278, 66527), (937, 19738), (1874, 9869)]