19900546

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{953}}^1$

素因数の和:1205

約数の個数: 16

約数和(自身を含む): 30600504

約数和(自身を除く): 10699958

約数列:

[1, 2, 53, 106, 197, 394, 953, 1906, 10441, 20882, 50509, 101018, 187741, 375482, 9950273, 19900546]

約数ペア:

[(1, 19900546), (2, 9950273), (53, 375482), (106, 187741), (197, 101018), (394, 50509), (953, 20882), (1906, 10441)]