19738638

素因数分解:

$2^1\times 3^2\times {\mathrm{389}}^1\times {\mathrm{2819}}^1$

素因数の和:3216

約数の個数: 24

約数和(自身を含む): 42892200

約数和(自身を除く): 23153562

約数列:

[1, 2, 3, 6, 9, 18, 389, 778, 1167, 2334, 2819, 3501, 5638, 7002, 8457, 16914, 25371, 50742, 1096591, 2193182, 3289773, 6579546, 9869319, 19738638]

約数ペア:

[(1, 19738638), (2, 9869319), (3, 6579546), (6, 3289773), (9, 2193182), (18, 1096591), (389, 50742), (778, 25371), (1167, 16914), (2334, 8457), (2819, 7002), (3501, 5638)]