19680732

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 56918400

約数和(自身を除く): 37237668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 27, 36, 38, 46, 54, 57, 69, 76, 81, 92, 108, 114, 138, 139, 162, 171, 207, 228, 276, 278, 324, 342, 414, 417, 437, 513, 556, 621, 684, 828, 834, 874, 1026, 1242, 1251, 1311, 1539, 1668, 1748, 1863, 2052, 2484, 2502, 2622, 2641, 3078, 3197, 3726, 3753, 3933, 5004, 5244, 5282, 6156, 6394, 7452, 7506, 7866, 7923, 9591, 10564, 11259, 11799, 12788, 15012, 15732, 15846, 19182, 22518, 23598, 23769, 28773, 31692, 35397, 38364, 45036, 47196, 47538, 57546, 60743, 70794, 71307, 86319, 95076, 115092, 121486, 141588, 142614, 172638, 182229, 213921, 242972, 258957, 285228, 345276, 364458, 427842, 517914, 546687, 728916, 855684, 1035828, 1093374, 1640061, 2186748, 3280122, 4920183, 6560244, 9840366, 19680732]

約数ペア:

[(1, 19680732), (2, 9840366), (3, 6560244), (4, 4920183), (6, 3280122), (9, 2186748), (12, 1640061), (18, 1093374), (19, 1035828), (23, 855684), (27, 728916), (36, 546687), (38, 517914), (46, 427842), (54, 364458), (57, 345276), (69, 285228), (76, 258957), (81, 242972), (92, 213921), (108, 182229), (114, 172638), (138, 142614), (139, 141588), (162, 121486), (171, 115092), (207, 95076), (228, 86319), (276, 71307), (278, 70794), (324, 60743), (342, 57546), (414, 47538), (417, 47196), (437, 45036), (513, 38364), (556, 35397), (621, 31692), (684, 28773), (828, 23769), (834, 23598), (874, 22518), (1026, 19182), (1242, 15846), (1251, 15732), (1311, 15012), (1539, 12788), (1668, 11799), (1748, 11259), (1863, 10564), (2052, 9591), (2484, 7923), (2502, 7866), (2622, 7506), (2641, 7452), (3078, 6394), (3197, 6156), (3726, 5282), (3753, 5244), (3933, 5004)]