19006908520

素因数分解:

$2^3\times 5^1\times {\mathrm{475172713}}^1$

素因数の和:475172724

約数の個数: 16

約数和(自身を含む): 42765544260

約数和(自身を除く): 23758635740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 475172713, 950345426, 1900690852, 2375863565, 3801381704, 4751727130, 9503454260, 19006908520]

約数ペア:

[(1, 19006908520), (2, 9503454260), (4, 4751727130), (5, 3801381704), (8, 2375863565), (10, 1900690852), (20, 950345426), (40, 475172713)]