18011140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1013}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 43610112

約数和(自身を除く): 25598972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1013, 1270, 1778, 2026, 2540, 3556, 4052, 4445, 5065, 7091, 8890, 10130, 14182, 17780, 20260, 28364, 35455, 70910, 128651, 141820, 257302, 514604, 643255, 900557, 1286510, 1801114, 2573020, 3602228, 4502785, 9005570, 18011140]

約数ペア:

[(1, 18011140), (2, 9005570), (4, 4502785), (5, 3602228), (7, 2573020), (10, 1801114), (14, 1286510), (20, 900557), (28, 643255), (35, 514604), (70, 257302), (127, 141820), (140, 128651), (254, 70910), (508, 35455), (635, 28364), (889, 20260), (1013, 17780), (1270, 14182), (1778, 10130), (2026, 8890), (2540, 7091), (3556, 5065), (4052, 4445)]