19312304

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{557}}^1$

素因数の和:773

約数の個数: 40

約数和(自身を含む): 41100048

約数和(自身を除く): 21787744

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 197, 394, 557, 788, 1114, 1576, 2167, 2228, 3152, 4334, 4456, 6127, 8668, 8912, 12254, 17336, 24508, 34672, 49016, 98032, 109729, 219458, 438916, 877832, 1207019, 1755664, 2414038, 4828076, 9656152, 19312304]

約数ペア:

[(1, 19312304), (2, 9656152), (4, 4828076), (8, 2414038), (11, 1755664), (16, 1207019), (22, 877832), (44, 438916), (88, 219458), (176, 109729), (197, 98032), (394, 49016), (557, 34672), (788, 24508), (1114, 17336), (1576, 12254), (2167, 8912), (2228, 8668), (3152, 6127), (4334, 4456)]