19186400

素因数分解:

$2^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{827}}^1$

素因数の和:876

約数の個数: 72

約数和(自身を含む): 48512520

約数和(自身を除く): 29326120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 80, 100, 116, 145, 160, 200, 232, 290, 400, 464, 580, 725, 800, 827, 928, 1160, 1450, 1654, 2320, 2900, 3308, 4135, 4640, 5800, 6616, 8270, 11600, 13232, 16540, 20675, 23200, 23983, 26464, 33080, 41350, 47966, 66160, 82700, 95932, 119915, 132320, 165400, 191864, 239830, 330800, 383728, 479660, 599575, 661600, 767456, 959320, 1199150, 1918640, 2398300, 3837280, 4796600, 9593200, 19186400]

約数ペア:

[(1, 19186400), (2, 9593200), (4, 4796600), (5, 3837280), (8, 2398300), (10, 1918640), (16, 1199150), (20, 959320), (25, 767456), (29, 661600), (32, 599575), (40, 479660), (50, 383728), (58, 330800), (80, 239830), (100, 191864), (116, 165400), (145, 132320), (160, 119915), (200, 95932), (232, 82700), (290, 66160), (400, 47966), (464, 41350), (580, 33080), (725, 26464), (800, 23983), (827, 23200), (928, 20675), (1160, 16540), (1450, 13232), (1654, 11600), (2320, 8270), (2900, 6616), (3308, 5800), (4135, 4640)]