12418538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 21288960

約数和(自身を除く): 8870422

約数列:

[1, 2, 11, 22, 31, 62, 131, 139, 262, 278, 341, 682, 1441, 1529, 2882, 3058, 4061, 4309, 8122, 8618, 18209, 36418, 44671, 47399, 89342, 94798, 200299, 400598, 564479, 1128958, 6209269, 12418538]

約数ペア:

[(1, 12418538), (2, 6209269), (11, 1128958), (22, 564479), (31, 400598), (62, 200299), (131, 94798), (139, 89342), (262, 47399), (278, 44671), (341, 36418), (682, 18209), (1441, 8618), (1529, 8122), (2882, 4309), (3058, 4061)]