18859749

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 28016640

約数和(自身を除く): 9156891

約数列:

[1, 3, 17, 31, 51, 79, 93, 151, 237, 453, 527, 1343, 1581, 2449, 2567, 4029, 4681, 7347, 7701, 11929, 14043, 35787, 41633, 79577, 124899, 202793, 238731, 369799, 608379, 1109397, 6286583, 18859749]

約数ペア:

[(1, 18859749), (3, 6286583), (17, 1109397), (31, 608379), (51, 369799), (79, 238731), (93, 202793), (151, 124899), (237, 79577), (453, 41633), (527, 35787), (1343, 14043), (1581, 11929), (2449, 7701), (2567, 7347), (4029, 4681)]