18765880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67021}}^1$

素因数の和:67039

約数の個数: 32

約数和(自身を含む): 48255840

約数和(自身を除く): 29489960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67021, 134042, 268084, 335105, 469147, 536168, 670210, 938294, 1340420, 1876588, 2345735, 2680840, 3753176, 4691470, 9382940, 18765880]

約数ペア:

[(1, 18765880), (2, 9382940), (4, 4691470), (5, 3753176), (7, 2680840), (8, 2345735), (10, 1876588), (14, 1340420), (20, 938294), (28, 670210), (35, 536168), (40, 469147), (56, 335105), (70, 268084), (140, 134042), (280, 67021)]