19744055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 26542080

約数和(自身を除く): 6798025

約数列:

[1, 5, 17, 31, 59, 85, 127, 155, 295, 527, 635, 1003, 1829, 2159, 2635, 3937, 5015, 7493, 9145, 10795, 19685, 31093, 37465, 66929, 127381, 155465, 232283, 334645, 636905, 1161415, 3948811, 19744055]

約数ペア:

[(1, 19744055), (5, 3948811), (17, 1161415), (31, 636905), (59, 334645), (85, 232283), (127, 155465), (155, 127381), (295, 66929), (527, 37465), (635, 31093), (1003, 19685), (1829, 10795), (2159, 9145), (2635, 7493), (3937, 5015)]