19355140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138251}}^1$

素因数の和:138267

約数の個数: 24

約数和(自身を含む): 46452672

約数和(自身を除く): 27097532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138251, 276502, 553004, 691255, 967757, 1382510, 1935514, 2765020, 3871028, 4838785, 9677570, 19355140]

約数ペア:

[(1, 19355140), (2, 9677570), (4, 4838785), (5, 3871028), (7, 2765020), (10, 1935514), (14, 1382510), (20, 967757), (28, 691255), (35, 553004), (70, 276502), (140, 138251)]