19489228

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{601}}^1$

素因数の和:694

約数の個数: 36

約数和(自身を含む): 38111416

約数和(自身を除く): 18622188

約数列:

[1, 2, 4, 11, 22, 44, 67, 121, 134, 242, 268, 484, 601, 737, 1202, 1474, 2404, 2948, 6611, 8107, 13222, 16214, 26444, 32428, 40267, 72721, 80534, 145442, 161068, 290884, 442937, 885874, 1771748, 4872307, 9744614, 19489228]

約数ペア:

[(1, 19489228), (2, 9744614), (4, 4872307), (11, 1771748), (22, 885874), (44, 442937), (67, 290884), (121, 161068), (134, 145442), (242, 80534), (268, 72721), (484, 40267), (601, 32428), (737, 26444), (1202, 16214), (1474, 13222), (2404, 8107), (2948, 6611)]