18503408

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:702

約数の個数: 80

約数和(自身を含む): 46711296

約数和(自身を除く): 28207888

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 44, 46, 56, 77, 88, 92, 112, 154, 161, 176, 184, 253, 308, 322, 368, 506, 616, 644, 653, 1012, 1232, 1288, 1306, 1771, 2024, 2576, 2612, 3542, 4048, 4571, 5224, 7084, 7183, 9142, 10448, 14168, 14366, 15019, 18284, 28336, 28732, 30038, 36568, 50281, 57464, 60076, 73136, 100562, 105133, 114928, 120152, 165209, 201124, 210266, 240304, 330418, 402248, 420532, 660836, 804496, 841064, 1156463, 1321672, 1682128, 2312926, 2643344, 4625852, 9251704, 18503408]

約数ペア:

[(1, 18503408), (2, 9251704), (4, 4625852), (7, 2643344), (8, 2312926), (11, 1682128), (14, 1321672), (16, 1156463), (22, 841064), (23, 804496), (28, 660836), (44, 420532), (46, 402248), (56, 330418), (77, 240304), (88, 210266), (92, 201124), (112, 165209), (154, 120152), (161, 114928), (176, 105133), (184, 100562), (253, 73136), (308, 60076), (322, 57464), (368, 50281), (506, 36568), (616, 30038), (644, 28732), (653, 28336), (1012, 18284), (1232, 15019), (1288, 14366), (1306, 14168), (1771, 10448), (2024, 9142), (2576, 7183), (2612, 7084), (3542, 5224), (4048, 4571)]