19709320

素因数分解:

$2^3\times 5^1\times {\mathrm{373}}^1\times {\mathrm{1321}}^1$

素因数の和:1705

約数の個数: 32

約数和(自身を含む): 44498520

約数和(自身を除く): 24789200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 373, 746, 1321, 1492, 1865, 2642, 2984, 3730, 5284, 6605, 7460, 10568, 13210, 14920, 26420, 52840, 492733, 985466, 1970932, 2463665, 3941864, 4927330, 9854660, 19709320]

約数ペア:

[(1, 19709320), (2, 9854660), (4, 4927330), (5, 3941864), (8, 2463665), (10, 1970932), (20, 985466), (40, 492733), (373, 52840), (746, 26420), (1321, 14920), (1492, 13210), (1865, 10568), (2642, 7460), (2984, 6605), (3730, 5284)]