18258786

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 49690368

約数和(自身を除く): 31431582

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 71, 78, 91, 117, 126, 142, 157, 182, 213, 234, 273, 314, 426, 471, 497, 546, 639, 819, 923, 942, 994, 1099, 1278, 1413, 1491, 1638, 1846, 2041, 2198, 2769, 2826, 2982, 3297, 4082, 4473, 5538, 6123, 6461, 6594, 8307, 8946, 9891, 11147, 12246, 12922, 14287, 16614, 18369, 19383, 19782, 22294, 28574, 33441, 36738, 38766, 42861, 58149, 66882, 78029, 85722, 100323, 116298, 128583, 144911, 156058, 200646, 234087, 257166, 289822, 434733, 468174, 702261, 869466, 1014377, 1304199, 1404522, 2028754, 2608398, 3043131, 6086262, 9129393, 18258786]

約数ペア:

[(1, 18258786), (2, 9129393), (3, 6086262), (6, 3043131), (7, 2608398), (9, 2028754), (13, 1404522), (14, 1304199), (18, 1014377), (21, 869466), (26, 702261), (39, 468174), (42, 434733), (63, 289822), (71, 257166), (78, 234087), (91, 200646), (117, 156058), (126, 144911), (142, 128583), (157, 116298), (182, 100323), (213, 85722), (234, 78029), (273, 66882), (314, 58149), (426, 42861), (471, 38766), (497, 36738), (546, 33441), (639, 28574), (819, 22294), (923, 19782), (942, 19383), (994, 18369), (1099, 16614), (1278, 14287), (1413, 12922), (1491, 12246), (1638, 11147), (1846, 9891), (2041, 8946), (2198, 8307), (2769, 6594), (2826, 6461), (2982, 6123), (3297, 5538), (4082, 4473)]