19904605744

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{293}}^2\times {\mathrm{337}}^1$

素因数の和:974

約数の個数: 60

約数和(自身を含む): 39714679576

約数和(自身を除く): 19810073832

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 293, 337, 344, 586, 674, 688, 1172, 1348, 2344, 2696, 4688, 5392, 12599, 14491, 25198, 28982, 50396, 57964, 85849, 98741, 100792, 115928, 171698, 197482, 201584, 231856, 343396, 394964, 686792, 789928, 1373584, 1579856, 3691507, 4245863, 7383014, 8491726, 14766028, 16983452, 28931113, 29532056, 33966904, 57862226, 59064112, 67933808, 115724452, 231448904, 462897808, 1244037859, 2488075718, 4976151436, 9952302872, 19904605744]

約数ペア:

[(1, 19904605744), (2, 9952302872), (4, 4976151436), (8, 2488075718), (16, 1244037859), (43, 462897808), (86, 231448904), (172, 115724452), (293, 67933808), (337, 59064112), (344, 57862226), (586, 33966904), (674, 29532056), (688, 28931113), (1172, 16983452), (1348, 14766028), (2344, 8491726), (2696, 7383014), (4688, 4245863), (5392, 3691507), (12599, 1579856), (14491, 1373584), (25198, 789928), (28982, 686792), (50396, 394964), (57964, 343396), (85849, 231856), (98741, 201584), (100792, 197482), (115928, 171698)]