18968997

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{653}}^1$

素因数の和:1100

約数の個数: 16

約数和(自身を含む): 26494848

約数和(自身を除く): 7525851

約数列:

[1, 3, 23, 69, 421, 653, 1263, 1959, 9683, 15019, 29049, 45057, 274913, 824739, 6322999, 18968997]

約数ペア:

[(1, 18968997), (3, 6322999), (23, 824739), (69, 274913), (421, 45057), (653, 29049), (1263, 15019), (1959, 9683)]