18520776

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{3623}}^1$

素因数の和:3706

約数の個数: 48

約数和(自身を含む): 50880960

約数和(自身を除く): 32360184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 3623, 5112, 7246, 10869, 14492, 21738, 28984, 32607, 43476, 65214, 86952, 130428, 257233, 260856, 514466, 771699, 1028932, 1543398, 2057864, 2315097, 3086796, 4630194, 6173592, 9260388, 18520776]

約数ペア:

[(1, 18520776), (2, 9260388), (3, 6173592), (4, 4630194), (6, 3086796), (8, 2315097), (9, 2057864), (12, 1543398), (18, 1028932), (24, 771699), (36, 514466), (71, 260856), (72, 257233), (142, 130428), (213, 86952), (284, 65214), (426, 43476), (568, 32607), (639, 28984), (852, 21738), (1278, 14492), (1704, 10869), (2556, 7246), (3623, 5112)]