19801142

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{9227}}^1$

素因数の和:9295

約数の個数: 16

約数和(自身を含む): 31559760

約数和(自身を除く): 11758618

約数列:

[1, 2, 29, 37, 58, 74, 1073, 2146, 9227, 18454, 267583, 341399, 535166, 682798, 9900571, 19801142]

約数ペア:

[(1, 19801142), (2, 9900571), (29, 682798), (37, 535166), (58, 341399), (74, 267583), (1073, 18454), (2146, 9227)]