166611156940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{438450413}}^1$

素因数の和:438450441

約数の個数: 24

約数和(自身を含む): 368298347760

約数和(自身を除く): 201687190820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 438450413, 876900826, 1753801652, 2192252065, 4384504130, 8330557847, 8769008260, 16661115694, 33322231388, 41652789235, 83305578470, 166611156940]

約数ペア:

[(1, 166611156940), (2, 83305578470), (4, 41652789235), (5, 33322231388), (10, 16661115694), (19, 8769008260), (20, 8330557847), (38, 4384504130), (76, 2192252065), (95, 1753801652), (190, 876900826), (380, 438450413)]