18574239

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 27095040

約数和(自身を除く): 8520801

約数列:

[1, 3, 29, 31, 71, 87, 93, 97, 213, 291, 899, 2059, 2201, 2697, 2813, 3007, 6177, 6603, 6887, 8439, 9021, 20661, 63829, 87203, 191487, 199723, 213497, 261609, 599169, 640491, 6191413, 18574239]

約数ペア:

[(1, 18574239), (3, 6191413), (29, 640491), (31, 599169), (71, 261609), (87, 213497), (93, 199723), (97, 191487), (213, 87203), (291, 63829), (899, 20661), (2059, 9021), (2201, 8439), (2697, 6887), (2813, 6603), (3007, 6177)]