17921484

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 108

約数和(自身を含む): 54918864

約数和(自身を除く): 36997380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 197, 228, 252, 266, 342, 361, 394, 399, 532, 591, 684, 722, 788, 798, 1083, 1182, 1197, 1379, 1444, 1596, 1773, 2166, 2364, 2394, 2527, 2758, 3249, 3546, 3743, 4137, 4332, 4788, 5054, 5516, 6498, 7092, 7486, 7581, 8274, 10108, 11229, 12411, 12996, 14972, 15162, 16548, 22458, 22743, 24822, 26201, 30324, 33687, 44916, 45486, 49644, 52402, 67374, 71117, 78603, 90972, 104804, 134748, 142234, 157206, 213351, 235809, 284468, 314412, 426702, 471618, 497819, 640053, 853404, 943236, 995638, 1280106, 1493457, 1991276, 2560212, 2986914, 4480371, 5973828, 8960742, 17921484]

約数ペア:

[(1, 17921484), (2, 8960742), (3, 5973828), (4, 4480371), (6, 2986914), (7, 2560212), (9, 1991276), (12, 1493457), (14, 1280106), (18, 995638), (19, 943236), (21, 853404), (28, 640053), (36, 497819), (38, 471618), (42, 426702), (57, 314412), (63, 284468), (76, 235809), (84, 213351), (114, 157206), (126, 142234), (133, 134748), (171, 104804), (197, 90972), (228, 78603), (252, 71117), (266, 67374), (342, 52402), (361, 49644), (394, 45486), (399, 44916), (532, 33687), (591, 30324), (684, 26201), (722, 24822), (788, 22743), (798, 22458), (1083, 16548), (1182, 15162), (1197, 14972), (1379, 12996), (1444, 12411), (1596, 11229), (1773, 10108), (2166, 8274), (2364, 7581), (2394, 7486), (2527, 7092), (2758, 6498), (3249, 5516), (3546, 5054), (3743, 4788), (4137, 4332)]