18974333

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1759}}^1$

素因数の和:1856

約数の個数: 16

約数和(自身を含む): 22978560

約数和(自身を除く): 4004227

約数列:

[1, 7, 23, 67, 161, 469, 1541, 1759, 10787, 12313, 40457, 117853, 283199, 824971, 2710619, 18974333]

約数ペア:

[(1, 18974333), (7, 2710619), (23, 824971), (67, 283199), (161, 117853), (469, 40457), (1541, 12313), (1759, 10787)]