16778862

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:789

約数の個数: 48

約数和(自身を含む): 38862720

約数和(自身を除く): 22083858

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 71, 114, 142, 171, 213, 342, 426, 639, 691, 1278, 1349, 1382, 2073, 2698, 4047, 4146, 6219, 8094, 12141, 12438, 13129, 24282, 26258, 39387, 49061, 78774, 98122, 118161, 147183, 236322, 294366, 441549, 883098, 932159, 1864318, 2796477, 5592954, 8389431, 16778862]

約数ペア:

[(1, 16778862), (2, 8389431), (3, 5592954), (6, 2796477), (9, 1864318), (18, 932159), (19, 883098), (38, 441549), (57, 294366), (71, 236322), (114, 147183), (142, 118161), (171, 98122), (213, 78774), (342, 49061), (426, 39387), (639, 26258), (691, 24282), (1278, 13129), (1349, 12438), (1382, 12141), (2073, 8094), (2698, 6219), (4047, 4146)]