19667919

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2677}}^1$

素因数の和:2790

約数の個数: 16

約数和(自身を含む): 27422720

約数和(自身を除く): 7754801

約数列:

[1, 3, 31, 79, 93, 237, 2449, 2677, 7347, 8031, 82987, 211483, 248961, 634449, 6555973, 19667919]

約数ペア:

[(1, 19667919), (3, 6555973), (31, 634449), (79, 248961), (93, 211483), (237, 82987), (2449, 8031), (2677, 7347)]