19384645

素因数分解:

$5^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 8263355

約数列:

[1, 5, 7, 35, 49, 89, 127, 245, 343, 445, 623, 635, 889, 1715, 3115, 4361, 4445, 6223, 11303, 21805, 30527, 31115, 43561, 56515, 79121, 152635, 217805, 395605, 553847, 2769235, 3876929, 19384645]

約数ペア:

[(1, 19384645), (5, 3876929), (7, 2769235), (35, 553847), (49, 395605), (89, 217805), (127, 152635), (245, 79121), (343, 56515), (445, 43561), (623, 31115), (635, 30527), (889, 21805), (1715, 11303), (3115, 6223), (4361, 4445)]