18199818

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 49900032

約数和(自身を除く): 31700214

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 41, 42, 63, 78, 82, 91, 117, 123, 126, 182, 234, 246, 271, 273, 287, 369, 533, 542, 546, 574, 738, 813, 819, 861, 1066, 1599, 1626, 1638, 1722, 1897, 2439, 2583, 3198, 3523, 3731, 3794, 4797, 4878, 5166, 5691, 7046, 7462, 9594, 10569, 11111, 11193, 11382, 17073, 21138, 22222, 22386, 24661, 31707, 33333, 33579, 34146, 49322, 63414, 66666, 67158, 73983, 77777, 99999, 144443, 147966, 155554, 199998, 221949, 233331, 288886, 433329, 443898, 466662, 699993, 866658, 1011101, 1299987, 1399986, 2022202, 2599974, 3033303, 6066606, 9099909, 18199818]

約数ペア:

[(1, 18199818), (2, 9099909), (3, 6066606), (6, 3033303), (7, 2599974), (9, 2022202), (13, 1399986), (14, 1299987), (18, 1011101), (21, 866658), (26, 699993), (39, 466662), (41, 443898), (42, 433329), (63, 288886), (78, 233331), (82, 221949), (91, 199998), (117, 155554), (123, 147966), (126, 144443), (182, 99999), (234, 77777), (246, 73983), (271, 67158), (273, 66666), (287, 63414), (369, 49322), (533, 34146), (542, 33579), (546, 33333), (574, 31707), (738, 24661), (813, 22386), (819, 22222), (861, 21138), (1066, 17073), (1599, 11382), (1626, 11193), (1638, 11111), (1722, 10569), (1897, 9594), (2439, 7462), (2583, 7046), (3198, 5691), (3523, 5166), (3731, 4878), (3794, 4797)]