19205500

素因数分解:

$2^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 42614208

約数和(自身を除く): 23408708

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 500, 541, 710, 1082, 1420, 1775, 2164, 2705, 3550, 5410, 7100, 8875, 10820, 13525, 17750, 27050, 35500, 38411, 54100, 67625, 76822, 135250, 153644, 192055, 270500, 384110, 768220, 960275, 1920550, 3841100, 4801375, 9602750, 19205500]

約数ペア:

[(1, 19205500), (2, 9602750), (4, 4801375), (5, 3841100), (10, 1920550), (20, 960275), (25, 768220), (50, 384110), (71, 270500), (100, 192055), (125, 153644), (142, 135250), (250, 76822), (284, 67625), (355, 54100), (500, 38411), (541, 35500), (710, 27050), (1082, 17750), (1420, 13525), (1775, 10820), (2164, 8875), (2705, 7100), (3550, 5410)]