18895144

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 37365120

約数和(自身を除く): 18469976

約数列:

[1, 2, 4, 8, 23, 46, 92, 103, 184, 206, 412, 824, 997, 1994, 2369, 3988, 4738, 7976, 9476, 18952, 22931, 45862, 91724, 102691, 183448, 205382, 410764, 821528, 2361893, 4723786, 9447572, 18895144]

約数ペア:

[(1, 18895144), (2, 9447572), (4, 4723786), (8, 2361893), (23, 821528), (46, 410764), (92, 205382), (103, 183448), (184, 102691), (206, 91724), (412, 45862), (824, 22931), (997, 18952), (1994, 9476), (2369, 7976), (3988, 4738)]