19892002

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1571}}^1$

素因数の和:2073

約数の個数: 16

約数和(自身を含む): 32219712

約数和(自身を除く): 12327710

約数列:

[1, 2, 13, 26, 487, 974, 1571, 3142, 6331, 12662, 20423, 40846, 765077, 1530154, 9946001, 19892002]

約数ペア:

[(1, 19892002), (2, 9946001), (13, 1530154), (26, 765077), (487, 40846), (974, 20423), (1571, 12662), (3142, 6331)]