19564804

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{10429}}^1$

素因数の和:10507

約数の個数: 24

約数和(自身を含む): 39717440

約数和(自身を除く): 20152636

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 10429, 20858, 41716, 73003, 146006, 292012, 698743, 1397486, 2794972, 4891201, 9782402, 19564804]

約数ペア:

[(1, 19564804), (2, 9782402), (4, 4891201), (7, 2794972), (14, 1397486), (28, 698743), (67, 292012), (134, 146006), (268, 73003), (469, 41716), (938, 20858), (1876, 10429)]