17921848

素因数分解:

$2^3\times 7^2\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 39501000

約数和(自身を除く): 21579152

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 131, 196, 262, 349, 392, 524, 698, 917, 1048, 1396, 1834, 2443, 2792, 3668, 4886, 6419, 7336, 9772, 12838, 17101, 19544, 25676, 34202, 45719, 51352, 68404, 91438, 136808, 182876, 320033, 365752, 640066, 1280132, 2240231, 2560264, 4480462, 8960924, 17921848]

約数ペア:

[(1, 17921848), (2, 8960924), (4, 4480462), (7, 2560264), (8, 2240231), (14, 1280132), (28, 640066), (49, 365752), (56, 320033), (98, 182876), (131, 136808), (196, 91438), (262, 68404), (349, 51352), (392, 45719), (524, 34202), (698, 25676), (917, 19544), (1048, 17101), (1396, 12838), (1834, 9772), (2443, 7336), (2792, 6419), (3668, 4886)]