17986878

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 48921600

約数和(自身を除く): 30934722

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 79, 91, 117, 126, 139, 158, 182, 234, 237, 273, 278, 417, 474, 546, 553, 711, 819, 834, 973, 1027, 1106, 1251, 1422, 1638, 1659, 1807, 1946, 2054, 2502, 2919, 3081, 3318, 3614, 4977, 5421, 5838, 6162, 7189, 8757, 9243, 9954, 10842, 10981, 12649, 14378, 16263, 17514, 18486, 21567, 21962, 25298, 32526, 32943, 37947, 43134, 64701, 65886, 75894, 76867, 98829, 113841, 129402, 142753, 153734, 197658, 227682, 230601, 285506, 428259, 461202, 691803, 856518, 999271, 1284777, 1383606, 1998542, 2569554, 2997813, 5995626, 8993439, 17986878]

約数ペア:

[(1, 17986878), (2, 8993439), (3, 5995626), (6, 2997813), (7, 2569554), (9, 1998542), (13, 1383606), (14, 1284777), (18, 999271), (21, 856518), (26, 691803), (39, 461202), (42, 428259), (63, 285506), (78, 230601), (79, 227682), (91, 197658), (117, 153734), (126, 142753), (139, 129402), (158, 113841), (182, 98829), (234, 76867), (237, 75894), (273, 65886), (278, 64701), (417, 43134), (474, 37947), (546, 32943), (553, 32526), (711, 25298), (819, 21962), (834, 21567), (973, 18486), (1027, 17514), (1106, 16263), (1251, 14378), (1422, 12649), (1638, 10981), (1659, 10842), (1807, 9954), (1946, 9243), (2054, 8757), (2502, 7189), (2919, 6162), (3081, 5838), (3318, 5421), (3614, 4977)]