19001488

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1009}}^1$

素因数の和:1135

約数の個数: 40

約数和(自身を含む): 40577760

約数和(自身を除く): 21576272

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 107, 176, 214, 428, 856, 1009, 1177, 1712, 2018, 2354, 4036, 4708, 8072, 9416, 11099, 16144, 18832, 22198, 44396, 88792, 107963, 177584, 215926, 431852, 863704, 1187593, 1727408, 2375186, 4750372, 9500744, 19001488]

約数ペア:

[(1, 19001488), (2, 9500744), (4, 4750372), (8, 2375186), (11, 1727408), (16, 1187593), (22, 863704), (44, 431852), (88, 215926), (107, 177584), (176, 107963), (214, 88792), (428, 44396), (856, 22198), (1009, 18832), (1177, 16144), (1712, 11099), (2018, 9416), (2354, 8072), (4036, 4708)]