19380350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 39747456

約数和(自身を除く): 20367106

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 167, 211, 275, 334, 422, 550, 835, 1055, 1670, 1837, 2110, 2321, 3674, 4175, 4642, 5275, 8350, 9185, 10550, 11605, 18370, 23210, 35237, 45925, 58025, 70474, 91850, 116050, 176185, 352370, 387607, 775214, 880925, 1761850, 1938035, 3876070, 9690175, 19380350]

約数ペア:

[(1, 19380350), (2, 9690175), (5, 3876070), (10, 1938035), (11, 1761850), (22, 880925), (25, 775214), (50, 387607), (55, 352370), (110, 176185), (167, 116050), (211, 91850), (275, 70474), (334, 58025), (422, 45925), (550, 35237), (835, 23210), (1055, 18370), (1670, 11605), (1837, 10550), (2110, 9185), (2321, 8350), (3674, 5275), (4175, 4642)]