18490952

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{509}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 36720000

約数和(自身を除く): 18229048

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 239, 478, 509, 956, 1018, 1912, 2036, 4072, 4541, 9082, 9671, 18164, 19342, 36328, 38684, 77368, 121651, 243302, 486604, 973208, 2311369, 4622738, 9245476, 18490952]

約数ペア:

[(1, 18490952), (2, 9245476), (4, 4622738), (8, 2311369), (19, 973208), (38, 486604), (76, 243302), (152, 121651), (239, 77368), (478, 38684), (509, 36328), (956, 19342), (1018, 18164), (1912, 9671), (2036, 9082), (4072, 4541)]