18673785

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 35262864

約数和(自身を除く): 16589079

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 137, 195, 233, 411, 585, 685, 699, 1165, 1233, 1781, 2055, 2097, 3029, 3495, 5343, 6165, 8905, 9087, 10485, 15145, 16029, 26715, 27261, 31921, 45435, 80145, 95763, 136305, 159605, 287289, 414973, 478815, 1244919, 1436445, 2074865, 3734757, 6224595, 18673785]

約数ペア:

[(1, 18673785), (3, 6224595), (5, 3734757), (9, 2074865), (13, 1436445), (15, 1244919), (39, 478815), (45, 414973), (65, 287289), (117, 159605), (137, 136305), (195, 95763), (233, 80145), (411, 45435), (585, 31921), (685, 27261), (699, 26715), (1165, 16029), (1233, 15145), (1781, 10485), (2055, 9087), (2097, 8905), (3029, 6165), (3495, 5343)]