19814700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{257}}^2$

素因数の和:531

約数の個数: 54

約数和(自身を含む): 57554476

約数和(自身を除く): 37739776

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 257, 300, 514, 771, 1028, 1285, 1542, 2570, 3084, 3855, 5140, 6425, 7710, 12850, 15420, 19275, 25700, 38550, 66049, 77100, 132098, 198147, 264196, 330245, 396294, 660490, 792588, 990735, 1320980, 1651225, 1981470, 3302450, 3962940, 4953675, 6604900, 9907350, 19814700]

約数ペア:

[(1, 19814700), (2, 9907350), (3, 6604900), (4, 4953675), (5, 3962940), (6, 3302450), (10, 1981470), (12, 1651225), (15, 1320980), (20, 990735), (25, 792588), (30, 660490), (50, 396294), (60, 330245), (75, 264196), (100, 198147), (150, 132098), (257, 77100), (300, 66049), (514, 38550), (771, 25700), (1028, 19275), (1285, 15420), (1542, 12850), (2570, 7710), (3084, 6425), (3855, 5140)]