18871143

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{1021}}^1$

素因数の和:1186

約数の個数: 16

約数和(自身を含む): 25852512

約数和(自身を除く): 6981369

約数列:

[1, 3, 61, 101, 183, 303, 1021, 3063, 6161, 18483, 62281, 103121, 186843, 309363, 6290381, 18871143]

約数ペア:

[(1, 18871143), (3, 6290381), (61, 309363), (101, 186843), (183, 103121), (303, 62281), (1021, 18483), (3063, 6161)]