19116440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1019}}^1$

素因数の和:1104

約数の個数: 64

約数和(自身を含む): 49939200

約数和(自身を除く): 30822760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1019, 1340, 1876, 2038, 2345, 2680, 3752, 4076, 4690, 5095, 7133, 8152, 9380, 10190, 14266, 18760, 20380, 28532, 35665, 40760, 57064, 68273, 71330, 136546, 142660, 273092, 285320, 341365, 477911, 546184, 682730, 955822, 1365460, 1911644, 2389555, 2730920, 3823288, 4779110, 9558220, 19116440]

約数ペア:

[(1, 19116440), (2, 9558220), (4, 4779110), (5, 3823288), (7, 2730920), (8, 2389555), (10, 1911644), (14, 1365460), (20, 955822), (28, 682730), (35, 546184), (40, 477911), (56, 341365), (67, 285320), (70, 273092), (134, 142660), (140, 136546), (268, 71330), (280, 68273), (335, 57064), (469, 40760), (536, 35665), (670, 28532), (938, 20380), (1019, 18760), (1340, 14266), (1876, 10190), (2038, 9380), (2345, 8152), (2680, 7133), (3752, 5095), (4076, 4690)]