18119998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 30897216

約数和(自身を除く): 12777218

約数列:

[1, 2, 13, 23, 26, 46, 157, 193, 299, 314, 386, 598, 2041, 2509, 3611, 4082, 4439, 5018, 7222, 8878, 30301, 46943, 57707, 60602, 93886, 115414, 393913, 696923, 787826, 1393846, 9059999, 18119998]

約数ペア:

[(1, 18119998), (2, 9059999), (13, 1393846), (23, 787826), (26, 696923), (46, 393913), (157, 115414), (193, 93886), (299, 60602), (314, 57707), (386, 46943), (598, 30301), (2041, 8878), (2509, 7222), (3611, 5018), (4082, 4439)]