13218842

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 25368192

約数和(自身を除く): 12149350

約数列:

[1, 2, 7, 13, 14, 26, 37, 74, 91, 151, 169, 182, 259, 302, 338, 481, 518, 962, 1057, 1183, 1963, 2114, 2366, 3367, 3926, 5587, 6253, 6734, 11174, 12506, 13741, 25519, 27482, 39109, 43771, 51038, 72631, 78218, 87542, 145262, 178633, 357266, 508417, 944203, 1016834, 1888406, 6609421, 13218842]

約数ペア:

[(1, 13218842), (2, 6609421), (7, 1888406), (13, 1016834), (14, 944203), (26, 508417), (37, 357266), (74, 178633), (91, 145262), (151, 87542), (169, 78218), (182, 72631), (259, 51038), (302, 43771), (338, 39109), (481, 27482), (518, 25519), (962, 13741), (1057, 12506), (1183, 11174), (1963, 6734), (2114, 6253), (2366, 5587), (3367, 3926)]