19492240

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1459}}^1$

素因数の和:1639

約数の個数: 40

約数和(自身を含む): 45622080

約数和(自身を除く): 26129840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1459, 1670, 2672, 2918, 3340, 5836, 6680, 7295, 11672, 13360, 14590, 23344, 29180, 58360, 116720, 243653, 487306, 974612, 1218265, 1949224, 2436530, 3898448, 4873060, 9746120, 19492240]

約数ペア:

[(1, 19492240), (2, 9746120), (4, 4873060), (5, 3898448), (8, 2436530), (10, 1949224), (16, 1218265), (20, 974612), (40, 487306), (80, 243653), (167, 116720), (334, 58360), (668, 29180), (835, 23344), (1336, 14590), (1459, 13360), (1670, 11672), (2672, 7295), (2918, 6680), (3340, 5836)]