17940860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{18307}}^1$

素因数の和:18330

約数の個数: 36

約数和(自身を含む): 43829352

約数和(自身を除く): 25888492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 18307, 36614, 73228, 91535, 128149, 183070, 256298, 366140, 512596, 640745, 897043, 1281490, 1794086, 2562980, 3588172, 4485215, 8970430, 17940860]

約数ペア:

[(1, 17940860), (2, 8970430), (4, 4485215), (5, 3588172), (7, 2562980), (10, 1794086), (14, 1281490), (20, 897043), (28, 640745), (35, 512596), (49, 366140), (70, 256298), (98, 183070), (140, 128149), (196, 91535), (245, 73228), (490, 36614), (980, 18307)]