19808824

素因数分解:

$2^3\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1277}}^1$

素因数の和:1567

約数の個数: 32

約数和(自身を含む): 42634080

約数和(自身を除く): 22825256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 277, 554, 1108, 1277, 1939, 2216, 2554, 3878, 5108, 7756, 8939, 10216, 15512, 17878, 35756, 71512, 353729, 707458, 1414916, 2476103, 2829832, 4952206, 9904412, 19808824]

約数ペア:

[(1, 19808824), (2, 9904412), (4, 4952206), (7, 2829832), (8, 2476103), (14, 1414916), (28, 707458), (56, 353729), (277, 71512), (554, 35756), (1108, 17878), (1277, 15512), (1939, 10216), (2216, 8939), (2554, 7756), (3878, 5108)]