19378540

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5413}}^1$

素因数の和:5601

約数の個数: 24

約数和(自身を含む): 40929840

約数和(自身を除く): 21551300

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 5413, 10826, 21652, 27065, 54130, 108260, 968927, 1937854, 3875708, 4844635, 9689270, 19378540]

約数ペア:

[(1, 19378540), (2, 9689270), (4, 4844635), (5, 3875708), (10, 1937854), (20, 968927), (179, 108260), (358, 54130), (716, 27065), (895, 21652), (1790, 10826), (3580, 5413)]