19893513

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{829}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 28020800

約数和(自身を除く): 8127287

約数列:

[1, 3, 19, 57, 421, 829, 1263, 2487, 7999, 15751, 23997, 47253, 349009, 1047027, 6631171, 19893513]

約数ペア:

[(1, 19893513), (3, 6631171), (19, 1047027), (57, 349009), (421, 47253), (829, 23997), (1263, 15751), (2487, 7999)]