19835991

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18521}}^1$

素因数の和:18551

約数の個数: 24

約数和(自身を含む): 34673184

約数和(自身を除く): 14837193

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18521, 55563, 129647, 166689, 314857, 388941, 944571, 1166823, 2203999, 2833713, 6611997, 19835991]

約数ペア:

[(1, 19835991), (3, 6611997), (7, 2833713), (9, 2203999), (17, 1166823), (21, 944571), (51, 388941), (63, 314857), (119, 166689), (153, 129647), (357, 55563), (1071, 18521)]