18607960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66457}}^1$

素因数の和:66475

約数の個数: 32

約数和(自身を含む): 47849760

約数和(自身を除く): 29241800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66457, 132914, 265828, 332285, 465199, 531656, 664570, 930398, 1329140, 1860796, 2325995, 2658280, 3721592, 4651990, 9303980, 18607960]

約数ペア:

[(1, 18607960), (2, 9303980), (4, 4651990), (5, 3721592), (7, 2658280), (8, 2325995), (10, 1860796), (14, 1329140), (20, 930398), (28, 664570), (35, 531656), (40, 465199), (56, 332285), (70, 265828), (140, 132914), (280, 66457)]