18712236

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 45426528

約数和(自身を除く): 26714292

約数列:

[1, 2, 3, 4, 6, 12, 41, 73, 82, 123, 146, 164, 219, 246, 292, 438, 492, 521, 876, 1042, 1563, 2084, 2993, 3126, 5986, 6252, 8979, 11972, 17958, 21361, 35916, 38033, 42722, 64083, 76066, 85444, 114099, 128166, 152132, 228198, 256332, 456396, 1559353, 3118706, 4678059, 6237412, 9356118, 18712236]

約数ペア:

[(1, 18712236), (2, 9356118), (3, 6237412), (4, 4678059), (6, 3118706), (12, 1559353), (41, 456396), (73, 256332), (82, 228198), (123, 152132), (146, 128166), (164, 114099), (219, 85444), (246, 76066), (292, 64083), (438, 42722), (492, 38033), (521, 35916), (876, 21361), (1042, 17958), (1563, 11972), (2084, 8979), (2993, 6252), (3126, 5986)]