19413040

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1069}}^1$

素因数の和:1309

約数の個数: 40

約数和(自身を含む): 45376560

約数和(自身を除く): 25963520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1069, 1135, 1816, 2138, 2270, 3632, 4276, 4540, 5345, 8552, 9080, 10690, 17104, 18160, 21380, 42760, 85520, 242663, 485326, 970652, 1213315, 1941304, 2426630, 3882608, 4853260, 9706520, 19413040]

約数ペア:

[(1, 19413040), (2, 9706520), (4, 4853260), (5, 3882608), (8, 2426630), (10, 1941304), (16, 1213315), (20, 970652), (40, 485326), (80, 242663), (227, 85520), (454, 42760), (908, 21380), (1069, 18160), (1135, 17104), (1816, 10690), (2138, 9080), (2270, 8552), (3632, 5345), (4276, 4540)]