19738672

素因数分解:

$2^4\times {\mathrm{619}}^1\times {\mathrm{1993}}^1$

素因数の和:2620

約数の個数: 20

約数和(自身を含む): 38324680

約数和(自身を除く): 18586008

約数列:

[1, 2, 4, 8, 16, 619, 1238, 1993, 2476, 3986, 4952, 7972, 9904, 15944, 31888, 1233667, 2467334, 4934668, 9869336, 19738672]

約数ペア:

[(1, 19738672), (2, 9869336), (4, 4934668), (8, 2467334), (16, 1233667), (619, 31888), (1238, 15944), (1993, 9904), (2476, 7972), (3986, 4952)]