19043271

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 31370976

約数和(自身を除く): 12327705

約数列:

[1, 3, 9, 13, 37, 39, 53, 83, 111, 117, 159, 249, 333, 477, 481, 689, 747, 1079, 1443, 1961, 2067, 3071, 3237, 4329, 4399, 5883, 6201, 9213, 9711, 13197, 17649, 25493, 27639, 39591, 39923, 57187, 76479, 119769, 162763, 171561, 229437, 359307, 488289, 514683, 1464867, 2115919, 6347757, 19043271]

約数ペア:

[(1, 19043271), (3, 6347757), (9, 2115919), (13, 1464867), (37, 514683), (39, 488289), (53, 359307), (83, 229437), (111, 171561), (117, 162763), (159, 119769), (249, 76479), (333, 57187), (477, 39923), (481, 39591), (689, 27639), (747, 25493), (1079, 17649), (1443, 13197), (1961, 9711), (2067, 9213), (3071, 6201), (3237, 5883), (4329, 4399)]