19819160

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1583}}^1$

素因数の和:1907

約数の個数: 32

約数和(自身を含む): 44763840

約数和(自身を除く): 24944680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 1583, 2504, 3130, 3166, 6260, 6332, 7915, 12520, 12664, 15830, 31660, 63320, 495479, 990958, 1981916, 2477395, 3963832, 4954790, 9909580, 19819160]

約数ペア:

[(1, 19819160), (2, 9909580), (4, 4954790), (5, 3963832), (8, 2477395), (10, 1981916), (20, 990958), (40, 495479), (313, 63320), (626, 31660), (1252, 15830), (1565, 12664), (1583, 12520), (2504, 7915), (3130, 6332), (3166, 6260)]