19823973

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 11141787

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 741, 863, 1209, 1767, 2589, 7657, 11219, 16397, 22971, 26753, 33657, 49191, 80259, 213161, 347789, 508307, 639483, 1043367, 1524921, 6607991, 19823973]

約数ペア:

[(1, 19823973), (3, 6607991), (13, 1524921), (19, 1043367), (31, 639483), (39, 508307), (57, 347789), (93, 213161), (247, 80259), (403, 49191), (589, 33657), (741, 26753), (863, 22971), (1209, 16397), (1767, 11219), (2589, 7657)]