19369960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5441}}^1$

素因数の和:5541

約数の個数: 32

約数和(自身を含む): 44080200

約数和(自身を除く): 24710240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 5441, 10882, 21764, 27205, 43528, 54410, 108820, 217640, 484249, 968498, 1936996, 2421245, 3873992, 4842490, 9684980, 19369960]

約数ペア:

[(1, 19369960), (2, 9684980), (4, 4842490), (5, 3873992), (8, 2421245), (10, 1936996), (20, 968498), (40, 484249), (89, 217640), (178, 108820), (356, 54410), (445, 43528), (712, 27205), (890, 21764), (1780, 10882), (3560, 5441)]