18971865

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38327}}^1$

素因数の和:38349

約数の個数: 24

約数和(自身を含む): 35875008

約数和(自身を除く): 16903143

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 38327, 114981, 191635, 344943, 421597, 574905, 1264791, 1724715, 2107985, 3794373, 6323955, 18971865]

約数ペア:

[(1, 18971865), (3, 6323955), (5, 3794373), (9, 2107985), (11, 1724715), (15, 1264791), (33, 574905), (45, 421597), (55, 344943), (99, 191635), (165, 114981), (495, 38327)]