19271140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{769}}^1$

素因数の和:964

約数の個数: 48

約数和(自身を含む): 46569600

約数和(自身を除く): 27298460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 769, 895, 1253, 1538, 1790, 2506, 3076, 3580, 3845, 5012, 5383, 6265, 7690, 10766, 12530, 15380, 21532, 25060, 26915, 53830, 107660, 137651, 275302, 550604, 688255, 963557, 1376510, 1927114, 2753020, 3854228, 4817785, 9635570, 19271140]

約数ペア:

[(1, 19271140), (2, 9635570), (4, 4817785), (5, 3854228), (7, 2753020), (10, 1927114), (14, 1376510), (20, 963557), (28, 688255), (35, 550604), (70, 275302), (140, 137651), (179, 107660), (358, 53830), (716, 26915), (769, 25060), (895, 21532), (1253, 15380), (1538, 12530), (1790, 10766), (2506, 7690), (3076, 6265), (3580, 5383), (3845, 5012)]