19688295

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7019}}^1$

素因数の和:7055

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 16703385

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 7019, 21057, 35095, 77209, 105285, 119323, 231627, 357969, 386045, 596615, 1158135, 1312553, 1789845, 3937659, 6562765, 19688295]

約数ペア:

[(1, 19688295), (3, 6562765), (5, 3937659), (11, 1789845), (15, 1312553), (17, 1158135), (33, 596615), (51, 386045), (55, 357969), (85, 231627), (165, 119323), (187, 105285), (255, 77209), (561, 35095), (935, 21057), (2805, 7019)]