19992622321

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1\times {\mathrm{773}}^1$

素因数の和:1573

約数の個数: 32

約数和(自身を含む): 23587061760

約数和(自身を除く): 3594439439

約数列:

[1, 7, 47, 127, 329, 619, 773, 889, 4333, 5411, 5969, 29093, 36331, 41783, 78613, 98171, 203651, 254317, 478487, 550291, 687197, 3349409, 3694811, 4614037, 22488889, 25863677, 32298259, 60767849, 157422223, 425374943, 2856088903, 19992622321]

約数ペア:

[(1, 19992622321), (7, 2856088903), (47, 425374943), (127, 157422223), (329, 60767849), (619, 32298259), (773, 25863677), (889, 22488889), (4333, 4614037), (5411, 3694811), (5969, 3349409), (29093, 687197), (36331, 550291), (41783, 478487), (78613, 254317), (98171, 203651)]