18369856

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 56

約数和(自身を含む): 38624256

約数和(自身を除く): 20254400

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 64, 94, 124, 188, 197, 248, 376, 394, 496, 752, 788, 992, 1457, 1504, 1576, 1984, 2914, 3008, 3152, 5828, 6107, 6304, 9259, 11656, 12214, 12608, 18518, 23312, 24428, 37036, 46624, 48856, 74072, 93248, 97712, 148144, 195424, 287029, 296288, 390848, 574058, 592576, 1148116, 2296232, 4592464, 9184928, 18369856]

約数ペア:

[(1, 18369856), (2, 9184928), (4, 4592464), (8, 2296232), (16, 1148116), (31, 592576), (32, 574058), (47, 390848), (62, 296288), (64, 287029), (94, 195424), (124, 148144), (188, 97712), (197, 93248), (248, 74072), (376, 48856), (394, 46624), (496, 37036), (752, 24428), (788, 23312), (992, 18518), (1457, 12608), (1504, 12214), (1576, 11656), (1984, 9259), (2914, 6304), (3008, 6107), (3152, 5828)]