19260185

素因数分解:

$5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:765

約数の個数: 24

約数和(自身を含む): 27141120

約数和(自身を除く): 7880935

約数列:

[1, 5, 7, 35, 49, 127, 245, 619, 635, 889, 3095, 4333, 4445, 6223, 21665, 30331, 31115, 78613, 151655, 393065, 550291, 2751455, 3852037, 19260185]

約数ペア:

[(1, 19260185), (5, 3852037), (7, 2751455), (35, 550291), (49, 393065), (127, 151655), (245, 78613), (619, 31115), (635, 30331), (889, 21665), (3095, 6223), (4333, 4445)]