19869753

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{7351}}^1$

素因数の和:7424

約数の個数: 16

約数和(自身を含む): 28584576

約数和(自身を除く): 8714823

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 7351, 22053, 124967, 374901, 389603, 1168809, 6623251, 19869753]

約数ペア:

[(1, 19869753), (3, 6623251), (17, 1168809), (51, 389603), (53, 374901), (159, 124967), (901, 22053), (2703, 7351)]