19066671

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:997

約数の個数: 40

約数和(自身を含む): 32321520

約数和(自身を除く): 13254849

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 513, 741, 953, 1053, 1539, 2223, 2859, 6669, 8577, 12389, 18107, 20007, 25731, 37167, 54321, 77193, 111501, 162963, 235391, 334503, 488889, 706173, 1003509, 1466667, 2118519, 6355557, 19066671]

約数ペア:

[(1, 19066671), (3, 6355557), (9, 2118519), (13, 1466667), (19, 1003509), (27, 706173), (39, 488889), (57, 334503), (81, 235391), (117, 162963), (171, 111501), (247, 77193), (351, 54321), (513, 37167), (741, 25731), (953, 20007), (1053, 18107), (1539, 12389), (2223, 8577), (2859, 6669)]