18488916

素因数分解:

$2^2\times 3^2\times {\mathrm{509}}^1\times {\mathrm{1009}}^1$

素因数の和:1528

約数の個数: 36

約数和(自身を含む): 46874100

約数和(自身を除く): 28385184

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 509, 1009, 1018, 1527, 2018, 2036, 3027, 3054, 4036, 4581, 6054, 6108, 9081, 9162, 12108, 18162, 18324, 36324, 513581, 1027162, 1540743, 2054324, 3081486, 4622229, 6162972, 9244458, 18488916]

約数ペア:

[(1, 18488916), (2, 9244458), (3, 6162972), (4, 4622229), (6, 3081486), (9, 2054324), (12, 1540743), (18, 1027162), (36, 513581), (509, 36324), (1009, 18324), (1018, 18162), (1527, 12108), (2018, 9162), (2036, 9081), (3027, 6108), (3054, 6054), (4036, 4581)]