18397197

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3209}}^1$

素因数の和:3242

約数の個数: 36

約数和(自身を含む): 33300540

約数和(自身を除く): 14903343

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 3209, 5733, 9627, 22463, 28881, 41717, 67389, 125151, 157241, 202167, 292019, 375453, 471723, 876057, 1415169, 2044133, 2628171, 6132399, 18397197]

約数ペア:

[(1, 18397197), (3, 6132399), (7, 2628171), (9, 2044133), (13, 1415169), (21, 876057), (39, 471723), (49, 375453), (63, 292019), (91, 202167), (117, 157241), (147, 125151), (273, 67389), (441, 41717), (637, 28881), (819, 22463), (1911, 9627), (3209, 5733)]