18764504

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 40919040

約数和(自身を除く): 22154536

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 73, 88, 92, 127, 146, 184, 253, 254, 292, 506, 508, 584, 803, 1012, 1016, 1397, 1606, 1679, 2024, 2794, 2921, 3212, 3358, 5588, 5842, 6424, 6716, 9271, 11176, 11684, 13432, 18469, 18542, 23368, 32131, 36938, 37084, 64262, 73876, 74168, 101981, 128524, 147752, 203962, 213233, 257048, 407924, 426466, 815848, 852932, 1705864, 2345563, 4691126, 9382252, 18764504]

約数ペア:

[(1, 18764504), (2, 9382252), (4, 4691126), (8, 2345563), (11, 1705864), (22, 852932), (23, 815848), (44, 426466), (46, 407924), (73, 257048), (88, 213233), (92, 203962), (127, 147752), (146, 128524), (184, 101981), (253, 74168), (254, 73876), (292, 64262), (506, 37084), (508, 36938), (584, 32131), (803, 23368), (1012, 18542), (1016, 18469), (1397, 13432), (1606, 11684), (1679, 11176), (2024, 9271), (2794, 6716), (2921, 6424), (3212, 5842), (3358, 5588)]