18263278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 31426560

約数和(自身を除く): 13163282

約数列:

[1, 2, 11, 22, 31, 61, 62, 122, 341, 439, 671, 682, 878, 1342, 1891, 3782, 4829, 9658, 13609, 20801, 26779, 27218, 41602, 53558, 149699, 294569, 299398, 589138, 830149, 1660298, 9131639, 18263278]

約数ペア:

[(1, 18263278), (2, 9131639), (11, 1660298), (22, 830149), (31, 589138), (61, 299398), (62, 294569), (122, 149699), (341, 53558), (439, 41602), (671, 27218), (682, 26779), (878, 20801), (1342, 13609), (1891, 9658), (3782, 4829)]