18740697

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:592

約数の個数: 16

約数和(自身を含む): 25428480

約数和(自身を除く): 6687783

約数列:

[1, 3, 109, 223, 257, 327, 669, 771, 24307, 28013, 57311, 72921, 84039, 171933, 6246899, 18740697]

約数ペア:

[(1, 18740697), (3, 6246899), (109, 171933), (223, 84039), (257, 72921), (327, 57311), (669, 28013), (771, 24307)]