19504020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1879}}^1$

素因数の和:2064

約数の個数: 48

約数和(自身を含む): 54956160

約数和(自身を除く): 35452140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 173, 346, 519, 692, 865, 1038, 1730, 1879, 2076, 2595, 3460, 3758, 5190, 5637, 7516, 9395, 10380, 11274, 18790, 22548, 28185, 37580, 56370, 112740, 325067, 650134, 975201, 1300268, 1625335, 1950402, 3250670, 3900804, 4876005, 6501340, 9752010, 19504020]

約数ペア:

[(1, 19504020), (2, 9752010), (3, 6501340), (4, 4876005), (5, 3900804), (6, 3250670), (10, 1950402), (12, 1625335), (15, 1300268), (20, 975201), (30, 650134), (60, 325067), (173, 112740), (346, 56370), (519, 37580), (692, 28185), (865, 22548), (1038, 18790), (1730, 11274), (1879, 10380), (2076, 9395), (2595, 7516), (3460, 5637), (3758, 5190)]