31701538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{509}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 55080000

約数和(自身を除く): 23378462

約数列:

[1, 2, 11, 19, 22, 38, 149, 209, 298, 418, 509, 1018, 1639, 2831, 3278, 5599, 5662, 9671, 11198, 19342, 31141, 62282, 75841, 106381, 151682, 212762, 834251, 1440979, 1668502, 2881958, 15850769, 31701538]

約数ペア:

[(1, 31701538), (2, 15850769), (11, 2881958), (19, 1668502), (22, 1440979), (38, 834251), (149, 212762), (209, 151682), (298, 106381), (418, 75841), (509, 62282), (1018, 31141), (1639, 19342), (2831, 11198), (3278, 9671), (5599, 5662)]