18671328

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{4987}}^1$

素因数の和:5016

約数の個数: 72

約数和(自身を含む): 57192408

約数和(自身を除く): 38521080

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 4987, 9974, 14961, 19948, 29922, 39896, 44883, 59844, 64831, 79792, 89766, 119688, 129662, 159584, 179532, 194493, 239376, 259324, 359064, 388986, 478752, 518648, 583479, 718128, 777972, 1037296, 1166958, 1436256, 1555944, 2074592, 2333916, 3111888, 4667832, 6223776, 9335664, 18671328]

約数ペア:

[(1, 18671328), (2, 9335664), (3, 6223776), (4, 4667832), (6, 3111888), (8, 2333916), (9, 2074592), (12, 1555944), (13, 1436256), (16, 1166958), (18, 1037296), (24, 777972), (26, 718128), (32, 583479), (36, 518648), (39, 478752), (48, 388986), (52, 359064), (72, 259324), (78, 239376), (96, 194493), (104, 179532), (117, 159584), (144, 129662), (156, 119688), (208, 89766), (234, 79792), (288, 64831), (312, 59844), (416, 44883), (468, 39896), (624, 29922), (936, 19948), (1248, 14961), (1872, 9974), (3744, 4987)]