19608816

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 53170208

約数和(自身を除く): 33561392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 61, 74, 111, 122, 148, 181, 183, 222, 244, 296, 362, 366, 444, 488, 543, 592, 724, 732, 888, 976, 1086, 1448, 1464, 1776, 2172, 2257, 2896, 2928, 4344, 4514, 6697, 6771, 8688, 9028, 11041, 13394, 13542, 18056, 20091, 22082, 26788, 27084, 33123, 36112, 40182, 44164, 53576, 54168, 66246, 80364, 88328, 107152, 108336, 132492, 160728, 176656, 264984, 321456, 408517, 529968, 817034, 1225551, 1634068, 2451102, 3268136, 4902204, 6536272, 9804408, 19608816]

約数ペア:

[(1, 19608816), (2, 9804408), (3, 6536272), (4, 4902204), (6, 3268136), (8, 2451102), (12, 1634068), (16, 1225551), (24, 817034), (37, 529968), (48, 408517), (61, 321456), (74, 264984), (111, 176656), (122, 160728), (148, 132492), (181, 108336), (183, 107152), (222, 88328), (244, 80364), (296, 66246), (362, 54168), (366, 53576), (444, 44164), (488, 40182), (543, 36112), (592, 33123), (724, 27084), (732, 26788), (888, 22082), (976, 20091), (1086, 18056), (1448, 13542), (1464, 13394), (1776, 11041), (2172, 9028), (2257, 8688), (2896, 6771), (2928, 6697), (4344, 4514)]