18788868

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{857}}^1$

素因数の和:906

約数の個数: 96

約数和(自身を含む): 57657600

約数和(自身を除く): 38868732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 42, 54, 58, 63, 84, 87, 108, 116, 126, 174, 189, 203, 252, 261, 348, 378, 406, 522, 609, 756, 783, 812, 857, 1044, 1218, 1566, 1714, 1827, 2436, 2571, 3132, 3428, 3654, 5142, 5481, 5999, 7308, 7713, 10284, 10962, 11998, 15426, 17997, 21924, 23139, 23996, 24853, 30852, 35994, 46278, 49706, 53991, 71988, 74559, 92556, 99412, 107982, 149118, 161973, 173971, 215964, 223677, 298236, 323946, 347942, 447354, 521913, 647892, 671031, 695884, 894708, 1043826, 1342062, 1565739, 2087652, 2684124, 3131478, 4697217, 6262956, 9394434, 18788868]

約数ペア:

[(1, 18788868), (2, 9394434), (3, 6262956), (4, 4697217), (6, 3131478), (7, 2684124), (9, 2087652), (12, 1565739), (14, 1342062), (18, 1043826), (21, 894708), (27, 695884), (28, 671031), (29, 647892), (36, 521913), (42, 447354), (54, 347942), (58, 323946), (63, 298236), (84, 223677), (87, 215964), (108, 173971), (116, 161973), (126, 149118), (174, 107982), (189, 99412), (203, 92556), (252, 74559), (261, 71988), (348, 53991), (378, 49706), (406, 46278), (522, 35994), (609, 30852), (756, 24853), (783, 23996), (812, 23139), (857, 21924), (1044, 17997), (1218, 15426), (1566, 11998), (1714, 10962), (1827, 10284), (2436, 7713), (2571, 7308), (3132, 5999), (3428, 5481), (3654, 5142)]