18507860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{132199}}^1$

素因数の和:132215

約数の個数: 24

約数和(自身を含む): 44419200

約数和(自身を除く): 25911340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 132199, 264398, 528796, 660995, 925393, 1321990, 1850786, 2643980, 3701572, 4626965, 9253930, 18507860]

約数ペア:

[(1, 18507860), (2, 9253930), (4, 4626965), (5, 3701572), (7, 2643980), (10, 1850786), (14, 1321990), (20, 925393), (28, 660995), (35, 528796), (70, 264398), (140, 132199)]