19649968112

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{64638053}}^1$

素因数の和:64638080

約数の個数: 20

約数和(自身を含む): 40075593480

約数和(自身を除く): 20425625368

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 64638053, 129276106, 258552212, 517104424, 1034208848, 1228123007, 2456246014, 4912492028, 9824984056, 19649968112]

約数ペア:

[(1, 19649968112), (2, 9824984056), (4, 4912492028), (8, 2456246014), (16, 1228123007), (19, 1034208848), (38, 517104424), (76, 258552212), (152, 129276106), (304, 64638053)]