16851708

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 45601920

約数和(自身を除く): 28750212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 71, 76, 114, 142, 171, 213, 228, 284, 342, 347, 426, 639, 684, 694, 852, 1041, 1278, 1349, 1388, 2082, 2556, 2698, 3123, 4047, 4164, 5396, 6246, 6593, 8094, 12141, 12492, 13186, 16188, 19779, 24282, 24637, 26372, 39558, 48564, 49274, 59337, 73911, 79116, 98548, 118674, 147822, 221733, 237348, 295644, 443466, 468103, 886932, 936206, 1404309, 1872412, 2808618, 4212927, 5617236, 8425854, 16851708]

約数ペア:

[(1, 16851708), (2, 8425854), (3, 5617236), (4, 4212927), (6, 2808618), (9, 1872412), (12, 1404309), (18, 936206), (19, 886932), (36, 468103), (38, 443466), (57, 295644), (71, 237348), (76, 221733), (114, 147822), (142, 118674), (171, 98548), (213, 79116), (228, 73911), (284, 59337), (342, 49274), (347, 48564), (426, 39558), (639, 26372), (684, 24637), (694, 24282), (852, 19779), (1041, 16188), (1278, 13186), (1349, 12492), (1388, 12141), (2082, 8094), (2556, 6593), (2698, 6246), (3123, 5396), (4047, 4164)]