19947935

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{13901}}^1$

素因数の和:13954

約数の個数: 16

約数和(自身を含む): 28026432

約数和(自身を除く): 8078497

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 13901, 69505, 97307, 486535, 569941, 2849705, 3989587, 19947935]

約数ペア:

[(1, 19947935), (5, 3989587), (7, 2849705), (35, 569941), (41, 486535), (205, 97307), (287, 69505), (1435, 13901)]