19310937

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{907}}^1$

素因数の和:1108

約数の個数: 16

約数和(自身を含む): 26499072

約数和(自身を除く): 7188135

約数列:

[1, 3, 47, 141, 151, 453, 907, 2721, 7097, 21291, 42629, 127887, 136957, 410871, 6436979, 19310937]

約数ペア:

[(1, 19310937), (3, 6436979), (47, 410871), (141, 136957), (151, 127887), (453, 42629), (907, 21291), (2721, 7097)]