19000978

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1\times {\mathrm{313}}^1$

素因数の和:681

約数の個数: 16

約数和(自身を含む): 28938240

約数和(自身を除く): 9937262

約数列:

[1, 2, 127, 239, 254, 313, 478, 626, 30353, 39751, 60706, 74807, 79502, 149614, 9500489, 19000978]

約数ペア:

[(1, 19000978), (2, 9500489), (127, 149614), (239, 79502), (254, 74807), (313, 60706), (478, 39751), (626, 30353)]