19699540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3803}}^1$

素因数の和:3856

約数の個数: 48

約数和(自身を含む): 48569472

約数和(自身を除く): 28869932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3803, 5180, 7606, 15212, 19015, 26621, 38030, 53242, 76060, 106484, 133105, 140711, 266210, 281422, 532420, 562844, 703555, 984977, 1407110, 1969954, 2814220, 3939908, 4924885, 9849770, 19699540]

約数ペア:

[(1, 19699540), (2, 9849770), (4, 4924885), (5, 3939908), (7, 2814220), (10, 1969954), (14, 1407110), (20, 984977), (28, 703555), (35, 562844), (37, 532420), (70, 281422), (74, 266210), (140, 140711), (148, 133105), (185, 106484), (259, 76060), (370, 53242), (518, 38030), (740, 26621), (1036, 19015), (1295, 15212), (2590, 7606), (3803, 5180)]