18561914

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 14702086

約数列:

[1, 2, 7, 14, 29, 58, 131, 203, 262, 349, 406, 698, 917, 1834, 2443, 3799, 4886, 7598, 10121, 20242, 26593, 45719, 53186, 70847, 91438, 141694, 320033, 640066, 1325851, 2651702, 9280957, 18561914]

約数ペア:

[(1, 18561914), (2, 9280957), (7, 2651702), (14, 1325851), (29, 640066), (58, 320033), (131, 141694), (203, 91438), (262, 70847), (349, 53186), (406, 45719), (698, 26593), (917, 20242), (1834, 10121), (2443, 7598), (3799, 4886)]