18264540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43487}}^1$

素因数の和:43506

約数の個数: 48

約数和(自身を含む): 58447872

約数和(自身を除く): 40183332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 43487, 86974, 130461, 173948, 217435, 260922, 304409, 434870, 521844, 608818, 652305, 869740, 913227, 1217636, 1304610, 1522045, 1826454, 2609220, 3044090, 3652908, 4566135, 6088180, 9132270, 18264540]

約数ペア:

[(1, 18264540), (2, 9132270), (3, 6088180), (4, 4566135), (5, 3652908), (6, 3044090), (7, 2609220), (10, 1826454), (12, 1522045), (14, 1304610), (15, 1217636), (20, 913227), (21, 869740), (28, 652305), (30, 608818), (35, 521844), (42, 434870), (60, 304409), (70, 260922), (84, 217435), (105, 173948), (140, 130461), (210, 86974), (420, 43487)]