20131108

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7159}}^1$

素因数の和:7219

約数の個数: 24

約数和(自身を含む): 38091200

約数和(自身を除く): 17960092

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7159, 14318, 28636, 136021, 264883, 272042, 529766, 544084, 1059532, 5032777, 10065554, 20131108]

約数ペア:

[(1, 20131108), (2, 10065554), (4, 5032777), (19, 1059532), (37, 544084), (38, 529766), (74, 272042), (76, 264883), (148, 136021), (703, 28636), (1406, 14318), (2812, 7159)]