18705152

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2357}}^1$

素因数の和:2404

約数の個数: 36

約数和(自身を含む): 38558016

約数和(自身を除く): 19852864

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2357, 3968, 4714, 7936, 9428, 18856, 37712, 73067, 75424, 146134, 150848, 292268, 301696, 584536, 603392, 1169072, 2338144, 4676288, 9352576, 18705152]

約数ペア:

[(1, 18705152), (2, 9352576), (4, 4676288), (8, 2338144), (16, 1169072), (31, 603392), (32, 584536), (62, 301696), (64, 292268), (124, 150848), (128, 146134), (248, 75424), (256, 73067), (496, 37712), (992, 18856), (1984, 9428), (2357, 7936), (3968, 4714)]