15618380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1787}}^1$

素因数の和:1838

約数の個数: 48

約数和(自身を含む): 36046080

約数和(自身を除く): 20427700

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 1787, 2185, 3574, 4370, 7148, 8740, 8935, 17870, 33953, 35740, 41101, 67906, 82202, 135812, 164404, 169765, 205505, 339530, 411010, 679060, 780919, 822020, 1561838, 3123676, 3904595, 7809190, 15618380]

約数ペア:

[(1, 15618380), (2, 7809190), (4, 3904595), (5, 3123676), (10, 1561838), (19, 822020), (20, 780919), (23, 679060), (38, 411010), (46, 339530), (76, 205505), (92, 169765), (95, 164404), (115, 135812), (190, 82202), (230, 67906), (380, 41101), (437, 35740), (460, 33953), (874, 17870), (1748, 8935), (1787, 8740), (2185, 7148), (3574, 4370)]