18971760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{577}}^1$

素因数の和:730

約数の個数: 80

約数和(自身を含む): 59344416

約数和(自身を除く): 40372656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 137, 240, 274, 411, 548, 577, 685, 822, 1096, 1154, 1370, 1644, 1731, 2055, 2192, 2308, 2740, 2885, 3288, 3462, 4110, 4616, 5480, 5770, 6576, 6924, 8220, 8655, 9232, 10960, 11540, 13848, 16440, 17310, 23080, 27696, 32880, 34620, 46160, 69240, 79049, 138480, 158098, 237147, 316196, 395245, 474294, 632392, 790490, 948588, 1185735, 1264784, 1580980, 1897176, 2371470, 3161960, 3794352, 4742940, 6323920, 9485880, 18971760]

約数ペア:

[(1, 18971760), (2, 9485880), (3, 6323920), (4, 4742940), (5, 3794352), (6, 3161960), (8, 2371470), (10, 1897176), (12, 1580980), (15, 1264784), (16, 1185735), (20, 948588), (24, 790490), (30, 632392), (40, 474294), (48, 395245), (60, 316196), (80, 237147), (120, 158098), (137, 138480), (240, 79049), (274, 69240), (411, 46160), (548, 34620), (577, 32880), (685, 27696), (822, 23080), (1096, 17310), (1154, 16440), (1370, 13848), (1644, 11540), (1731, 10960), (2055, 9232), (2192, 8655), (2308, 8220), (2740, 6924), (2885, 6576), (3288, 5770), (3462, 5480), (4110, 4616)]