18690966

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 29209194

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 197, 251, 378, 394, 502, 591, 753, 1182, 1379, 1506, 1757, 1773, 2259, 2758, 3514, 3546, 4137, 4518, 5271, 5319, 6777, 8274, 10542, 10638, 12411, 13554, 15813, 24822, 31626, 37233, 47439, 49447, 74466, 94878, 98894, 148341, 296682, 346129, 445023, 692258, 890046, 1038387, 1335069, 2076774, 2670138, 3115161, 6230322, 9345483, 18690966]

約数ペア:

[(1, 18690966), (2, 9345483), (3, 6230322), (6, 3115161), (7, 2670138), (9, 2076774), (14, 1335069), (18, 1038387), (21, 890046), (27, 692258), (42, 445023), (54, 346129), (63, 296682), (126, 148341), (189, 98894), (197, 94878), (251, 74466), (378, 49447), (394, 47439), (502, 37233), (591, 31626), (753, 24822), (1182, 15813), (1379, 13554), (1506, 12411), (1757, 10638), (1773, 10542), (2259, 8274), (2758, 6777), (3514, 5319), (3546, 5271), (4137, 4518)]