19848255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9949}}^1$

素因数の和:9983

約数の個数: 32

約数和(自身を含む): 38208000

約数和(自身を除く): 18359745

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 9949, 29847, 49745, 69643, 149235, 189031, 208929, 348215, 567093, 945155, 1044645, 1323217, 2835465, 3969651, 6616085, 19848255]

約数ペア:

[(1, 19848255), (3, 6616085), (5, 3969651), (7, 2835465), (15, 1323217), (19, 1044645), (21, 945155), (35, 567093), (57, 348215), (95, 208929), (105, 189031), (133, 149235), (285, 69643), (399, 49745), (665, 29847), (1995, 9949)]