18716688

素因数分解:

$2^4\times 3^2\times {\mathrm{59}}^1\times {\mathrm{2203}}^1$

素因数の和:2276

約数の個数: 60

約数和(自身を含む): 53292720

約数和(自身を除く): 34576032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 59, 72, 118, 144, 177, 236, 354, 472, 531, 708, 944, 1062, 1416, 2124, 2203, 2832, 4248, 4406, 6609, 8496, 8812, 13218, 17624, 19827, 26436, 35248, 39654, 52872, 79308, 105744, 129977, 158616, 259954, 317232, 389931, 519908, 779862, 1039816, 1169793, 1559724, 2079632, 2339586, 3119448, 4679172, 6238896, 9358344, 18716688]

約数ペア:

[(1, 18716688), (2, 9358344), (3, 6238896), (4, 4679172), (6, 3119448), (8, 2339586), (9, 2079632), (12, 1559724), (16, 1169793), (18, 1039816), (24, 779862), (36, 519908), (48, 389931), (59, 317232), (72, 259954), (118, 158616), (144, 129977), (177, 105744), (236, 79308), (354, 52872), (472, 39654), (531, 35248), (708, 26436), (944, 19827), (1062, 17624), (1416, 13218), (2124, 8812), (2203, 8496), (2832, 6609), (4248, 4406)]