19048540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{379}}^1$

素因数の和:754

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 26916260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 359, 379, 718, 758, 1436, 1516, 1795, 1895, 2513, 2653, 3590, 3790, 5026, 5306, 7180, 7580, 10052, 10612, 12565, 13265, 25130, 26530, 50260, 53060, 136061, 272122, 544244, 680305, 952427, 1360610, 1904854, 2721220, 3809708, 4762135, 9524270, 19048540]

約数ペア:

[(1, 19048540), (2, 9524270), (4, 4762135), (5, 3809708), (7, 2721220), (10, 1904854), (14, 1360610), (20, 952427), (28, 680305), (35, 544244), (70, 272122), (140, 136061), (359, 53060), (379, 50260), (718, 26530), (758, 25130), (1436, 13265), (1516, 12565), (1795, 10612), (1895, 10052), (2513, 7580), (2653, 7180), (3590, 5306), (3790, 5026)]