19152380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3877}}^1$

素因数の和:3918

約数の個数: 48

約数和(自身を含む): 45605280

約数和(自身を除く): 26452900

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 3877, 4940, 7754, 15508, 19385, 38770, 50401, 73663, 77540, 100802, 147326, 201604, 252005, 294652, 368315, 504010, 736630, 957619, 1008020, 1473260, 1915238, 3830476, 4788095, 9576190, 19152380]

約数ペア:

[(1, 19152380), (2, 9576190), (4, 4788095), (5, 3830476), (10, 1915238), (13, 1473260), (19, 1008020), (20, 957619), (26, 736630), (38, 504010), (52, 368315), (65, 294652), (76, 252005), (95, 201604), (130, 147326), (190, 100802), (247, 77540), (260, 73663), (380, 50401), (494, 38770), (988, 19385), (1235, 15508), (2470, 7754), (3877, 4940)]