18873820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19259}}^1$

素因数の和:19282

約数の個数: 36

約数和(自身を含む): 46108440

約数和(自身を除く): 27234620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 19259, 38518, 77036, 96295, 134813, 192590, 269626, 385180, 539252, 674065, 943691, 1348130, 1887382, 2696260, 3774764, 4718455, 9436910, 18873820]

約数ペア:

[(1, 18873820), (2, 9436910), (4, 4718455), (5, 3774764), (7, 2696260), (10, 1887382), (14, 1348130), (20, 943691), (28, 674065), (35, 539252), (49, 385180), (70, 269626), (98, 192590), (140, 134813), (196, 96295), (245, 77036), (490, 38518), (980, 19259)]