19791884

素因数分解:

$2^2\times 7^2\times {\mathrm{241}}^1\times {\mathrm{419}}^1$

素因数の和:678

約数の個数: 36

約数和(自身を含む): 40554360

約数和(自身を除く): 20762476

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 241, 419, 482, 838, 964, 1676, 1687, 2933, 3374, 5866, 6748, 11732, 11809, 20531, 23618, 41062, 47236, 82124, 100979, 201958, 403916, 706853, 1413706, 2827412, 4947971, 9895942, 19791884]

約数ペア:

[(1, 19791884), (2, 9895942), (4, 4947971), (7, 2827412), (14, 1413706), (28, 706853), (49, 403916), (98, 201958), (196, 100979), (241, 82124), (419, 47236), (482, 41062), (838, 23618), (964, 20531), (1676, 11809), (1687, 11732), (2933, 6748), (3374, 5866)]