19286618

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1327}}^1$

素因数の和:1398

約数の個数: 24

約数和(自身を含む): 32079168

約数和(自身を除く): 12792550

約数列:

[1, 2, 13, 26, 43, 86, 169, 338, 559, 1118, 1327, 2654, 7267, 14534, 17251, 34502, 57061, 114122, 224263, 448526, 741793, 1483586, 9643309, 19286618]

約数ペア:

[(1, 19286618), (2, 9643309), (13, 1483586), (26, 741793), (43, 448526), (86, 224263), (169, 114122), (338, 57061), (559, 34502), (1118, 17251), (1327, 14534), (2654, 7267)]