19211457256

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{503}}^1\times {\mathrm{71257}}^1$

素因数の和:71833

約数の個数: 32

約数和(自身を含む): 36632312640

約数和(自身を除く): 17420855384

約数列:

[1, 2, 4, 8, 67, 134, 268, 503, 536, 1006, 2012, 4024, 33701, 67402, 71257, 134804, 142514, 269608, 285028, 570056, 4774219, 9548438, 19096876, 35842271, 38193752, 71684542, 143369084, 286738168, 2401432157, 4802864314, 9605728628, 19211457256]

約数ペア:

[(1, 19211457256), (2, 9605728628), (4, 4802864314), (8, 2401432157), (67, 286738168), (134, 143369084), (268, 71684542), (503, 38193752), (536, 35842271), (1006, 19096876), (2012, 9548438), (4024, 4774219), (33701, 570056), (67402, 285028), (71257, 269608), (134804, 142514)]