19378370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1559}}^1$

素因数の和:1690

約数の個数: 32

約数和(自身を含む): 38413440

約数和(自身を除く): 19035070

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 226, 565, 1130, 1243, 1559, 2486, 3118, 6215, 7795, 12430, 15590, 17149, 34298, 85745, 171490, 176167, 352334, 880835, 1761670, 1937837, 3875674, 9689185, 19378370]

約数ペア:

[(1, 19378370), (2, 9689185), (5, 3875674), (10, 1937837), (11, 1761670), (22, 880835), (55, 352334), (110, 176167), (113, 171490), (226, 85745), (565, 34298), (1130, 17149), (1243, 15590), (1559, 12430), (2486, 7795), (3118, 6215)]