18499936

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6353}}^1$

素因数の和:6383

約数の個数: 48

約数和(自身を含む): 44833824

約数和(自身を除く): 26333888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6353, 12706, 25412, 44471, 50824, 82589, 88942, 101648, 165178, 177884, 203296, 330356, 355768, 578123, 660712, 711536, 1156246, 1321424, 1423072, 2312492, 2642848, 4624984, 9249968, 18499936]

約数ペア:

[(1, 18499936), (2, 9249968), (4, 4624984), (7, 2642848), (8, 2312492), (13, 1423072), (14, 1321424), (16, 1156246), (26, 711536), (28, 660712), (32, 578123), (52, 355768), (56, 330356), (91, 203296), (104, 177884), (112, 165178), (182, 101648), (208, 88942), (224, 82589), (364, 50824), (416, 44471), (728, 25412), (1456, 12706), (2912, 6353)]