18364281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 28062720

約数和(自身を除く): 9698439

約数列:

[1, 3, 13, 23, 39, 59, 69, 177, 299, 347, 767, 897, 1041, 1357, 2301, 4071, 4511, 7981, 13533, 17641, 20473, 23943, 52923, 61419, 103753, 266149, 311259, 470879, 798447, 1412637, 6121427, 18364281]

約数ペア:

[(1, 18364281), (3, 6121427), (13, 1412637), (23, 798447), (39, 470879), (59, 311259), (69, 266149), (177, 103753), (299, 61419), (347, 52923), (767, 23943), (897, 20473), (1041, 17641), (1357, 13533), (2301, 7981), (4071, 4511)]