18713268

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:283

約数の個数: 120

約数和(自身を含む): 57677312

約数和(自身を除く): 38964044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 37, 42, 54, 63, 74, 81, 84, 108, 111, 126, 148, 162, 189, 222, 223, 252, 259, 324, 333, 378, 444, 446, 518, 567, 666, 669, 756, 777, 892, 999, 1036, 1134, 1332, 1338, 1554, 1561, 1998, 2007, 2268, 2331, 2676, 2997, 3108, 3122, 3996, 4014, 4662, 4683, 5994, 6021, 6244, 6993, 8028, 8251, 9324, 9366, 11988, 12042, 13986, 14049, 16502, 18063, 18732, 20979, 24084, 24753, 27972, 28098, 33004, 36126, 41958, 42147, 49506, 56196, 57757, 72252, 74259, 83916, 84294, 99012, 115514, 126441, 148518, 168588, 173271, 222777, 231028, 252882, 297036, 346542, 445554, 505764, 519813, 668331, 693084, 891108, 1039626, 1336662, 1559439, 2079252, 2673324, 3118878, 4678317, 6237756, 9356634, 18713268]

約数ペア:

[(1, 18713268), (2, 9356634), (3, 6237756), (4, 4678317), (6, 3118878), (7, 2673324), (9, 2079252), (12, 1559439), (14, 1336662), (18, 1039626), (21, 891108), (27, 693084), (28, 668331), (36, 519813), (37, 505764), (42, 445554), (54, 346542), (63, 297036), (74, 252882), (81, 231028), (84, 222777), (108, 173271), (111, 168588), (126, 148518), (148, 126441), (162, 115514), (189, 99012), (222, 84294), (223, 83916), (252, 74259), (259, 72252), (324, 57757), (333, 56196), (378, 49506), (444, 42147), (446, 41958), (518, 36126), (567, 33004), (666, 28098), (669, 27972), (756, 24753), (777, 24084), (892, 20979), (999, 18732), (1036, 18063), (1134, 16502), (1332, 14049), (1338, 13986), (1554, 12042), (1561, 11988), (1998, 9366), (2007, 9324), (2268, 8251), (2331, 8028), (2676, 6993), (2997, 6244), (3108, 6021), (3122, 5994), (3996, 4683), (4014, 4662)]